18895500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:74

約数の個数: 288

約数和(自身を含む): 71547840

約数和(自身を除く): 52652340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 19, 20, 25, 26, 30, 34, 36, 38, 39, 45, 50, 51, 52, 57, 60, 65, 68, 75, 76, 78, 85, 90, 95, 100, 102, 114, 117, 125, 130, 150, 153, 156, 170, 171, 180, 190, 195, 204, 221, 225, 228, 234, 247, 250, 255, 260, 285, 300, 306, 323, 325, 340, 342, 375, 380, 390, 425, 442, 450, 468, 475, 494, 500, 510, 570, 585, 612, 646, 650, 663, 684, 741, 750, 765, 780, 850, 855, 884, 900, 950, 969, 975, 988, 1020, 1105, 1125, 1140, 1170, 1235, 1275, 1292, 1300, 1326, 1425, 1482, 1500, 1530, 1615, 1625, 1700, 1710, 1900, 1938, 1950, 1989, 2125, 2210, 2223, 2250, 2340, 2375, 2470, 2550, 2652, 2850, 2907, 2925, 2964, 3060, 3230, 3250, 3315, 3420, 3705, 3825, 3876, 3900, 3978, 4199, 4250, 4275, 4420, 4446, 4500, 4750, 4845, 4875, 4940, 5100, 5525, 5700, 5814, 5850, 6175, 6375, 6460, 6500, 6630, 7125, 7410, 7650, 7956, 8075, 8398, 8500, 8550, 8892, 9500, 9690, 9750, 9945, 11050, 11115, 11628, 11700, 12350, 12597, 12750, 13260, 14250, 14535, 14625, 14820, 15300, 16150, 16575, 16796, 17100, 18525, 19125, 19380, 19500, 19890, 20995, 21375, 22100, 22230, 24225, 24700, 25194, 25500, 27625, 28500, 29070, 29250, 30875, 32300, 33150, 37050, 37791, 38250, 39780, 40375, 41990, 42750, 44460, 48450, 49725, 50388, 55250, 55575, 58140, 58500, 61750, 62985, 66300, 72675, 74100, 75582, 76500, 80750, 82875, 83980, 85500, 92625, 96900, 99450, 104975, 110500, 111150, 121125, 123500, 125970, 145350, 151164, 161500, 165750, 185250, 188955, 198900, 209950, 222300, 242250, 248625, 251940, 277875, 290700, 314925, 331500, 363375, 370500, 377910, 419900, 484500, 497250, 524875, 555750, 629850, 726750, 755820, 944775, 994500, 1049750, 1111500, 1259700, 1453500, 1574625, 1889550, 2099500, 3149250, 3779100, 4723875, 6298500, 9447750, 18895500]

約数ペア:

[(1, 18895500), (2, 9447750), (3, 6298500), (4, 4723875), (5, 3779100), (6, 3149250), (9, 2099500), (10, 1889550), (12, 1574625), (13, 1453500), (15, 1259700), (17, 1111500), (18, 1049750), (19, 994500), (20, 944775), (25, 755820), (26, 726750), (30, 629850), (34, 555750), (36, 524875), (38, 497250), (39, 484500), (45, 419900), (50, 377910), (51, 370500), (52, 363375), (57, 331500), (60, 314925), (65, 290700), (68, 277875), (75, 251940), (76, 248625), (78, 242250), (85, 222300), (90, 209950), (95, 198900), (100, 188955), (102, 185250), (114, 165750), (117, 161500), (125, 151164), (130, 145350), (150, 125970), (153, 123500), (156, 121125), (170, 111150), (171, 110500), (180, 104975), (190, 99450), (195, 96900), (204, 92625), (221, 85500), (225, 83980), (228, 82875), (234, 80750), (247, 76500), (250, 75582), (255, 74100), (260, 72675), (285, 66300), (300, 62985), (306, 61750), (323, 58500), (325, 58140), (340, 55575), (342, 55250), (375, 50388), (380, 49725), (390, 48450), (425, 44460), (442, 42750), (450, 41990), (468, 40375), (475, 39780), (494, 38250), (500, 37791), (510, 37050), (570, 33150), (585, 32300), (612, 30875), (646, 29250), (650, 29070), (663, 28500), (684, 27625), (741, 25500), (750, 25194), (765, 24700), (780, 24225), (850, 22230), (855, 22100), (884, 21375), (900, 20995), (950, 19890), (969, 19500), (975, 19380), (988, 19125), (1020, 18525), (1105, 17100), (1125, 16796), (1140, 16575), (1170, 16150), (1235, 15300), (1275, 14820), (1292, 14625), (1300, 14535), (1326, 14250), (1425, 13260), (1482, 12750), (1500, 12597), (1530, 12350), (1615, 11700), (1625, 11628), (1700, 11115), (1710, 11050), (1900, 9945), (1938, 9750), (1950, 9690), (1989, 9500), (2125, 8892), (2210, 8550), (2223, 8500), (2250, 8398), (2340, 8075), (2375, 7956), (2470, 7650), (2550, 7410), (2652, 7125), (2850, 6630), (2907, 6500), (2925, 6460), (2964, 6375), (3060, 6175), (3230, 5850), (3250, 5814), (3315, 5700), (3420, 5525), (3705, 5100), (3825, 4940), (3876, 4875), (3900, 4845), (3978, 4750), (4199, 4500), (4250, 4446), (4275, 4420)]