19882350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 59540832

約数和(自身を除く): 39658482

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 23, 25, 30, 34, 45, 46, 50, 51, 69, 75, 85, 90, 102, 113, 115, 138, 150, 153, 170, 207, 225, 226, 230, 255, 306, 339, 345, 391, 414, 425, 450, 510, 565, 575, 678, 690, 765, 782, 850, 1017, 1035, 1130, 1150, 1173, 1275, 1530, 1695, 1725, 1921, 1955, 2034, 2070, 2346, 2550, 2599, 2825, 3390, 3450, 3519, 3825, 3842, 3910, 5085, 5175, 5198, 5650, 5763, 5865, 7038, 7650, 7797, 8475, 9605, 9775, 10170, 10350, 11526, 11730, 12995, 15594, 16950, 17289, 17595, 19210, 19550, 23391, 25425, 25990, 28815, 29325, 34578, 35190, 38985, 44183, 46782, 48025, 50850, 57630, 58650, 64975, 77970, 86445, 87975, 88366, 96050, 116955, 129950, 132549, 144075, 172890, 175950, 194925, 220915, 233910, 265098, 288150, 389850, 397647, 432225, 441830, 584775, 662745, 795294, 864450, 1104575, 1169550, 1325490, 1988235, 2209150, 3313725, 3976470, 6627450, 9941175, 19882350]

約数ペア:

[(1, 19882350), (2, 9941175), (3, 6627450), (5, 3976470), (6, 3313725), (9, 2209150), (10, 1988235), (15, 1325490), (17, 1169550), (18, 1104575), (23, 864450), (25, 795294), (30, 662745), (34, 584775), (45, 441830), (46, 432225), (50, 397647), (51, 389850), (69, 288150), (75, 265098), (85, 233910), (90, 220915), (102, 194925), (113, 175950), (115, 172890), (138, 144075), (150, 132549), (153, 129950), (170, 116955), (207, 96050), (225, 88366), (226, 87975), (230, 86445), (255, 77970), (306, 64975), (339, 58650), (345, 57630), (391, 50850), (414, 48025), (425, 46782), (450, 44183), (510, 38985), (565, 35190), (575, 34578), (678, 29325), (690, 28815), (765, 25990), (782, 25425), (850, 23391), (1017, 19550), (1035, 19210), (1130, 17595), (1150, 17289), (1173, 16950), (1275, 15594), (1530, 12995), (1695, 11730), (1725, 11526), (1921, 10350), (1955, 10170), (2034, 9775), (2070, 9605), (2346, 8475), (2550, 7797), (2599, 7650), (2825, 7038), (3390, 5865), (3450, 5763), (3519, 5650), (3825, 5198), (3842, 5175), (3910, 5085)]