19737900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:281

約数の個数: 216

約数和(自身を含む): 76460384

約数和(自身を除く): 56722484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 25, 26, 28, 30, 35, 36, 39, 42, 45, 50, 52, 60, 63, 65, 70, 75, 78, 84, 90, 91, 100, 105, 117, 126, 130, 140, 150, 156, 175, 180, 182, 195, 210, 225, 234, 241, 252, 260, 273, 300, 315, 325, 350, 364, 390, 420, 450, 455, 468, 482, 525, 546, 585, 630, 650, 700, 723, 780, 819, 900, 910, 964, 975, 1050, 1092, 1170, 1205, 1260, 1300, 1365, 1446, 1575, 1638, 1687, 1820, 1950, 2100, 2169, 2275, 2340, 2410, 2730, 2892, 2925, 3133, 3150, 3276, 3374, 3615, 3900, 4095, 4338, 4550, 4820, 5061, 5460, 5850, 6025, 6266, 6300, 6748, 6825, 7230, 8190, 8435, 8676, 9100, 9399, 10122, 10845, 11700, 12050, 12532, 13650, 14460, 15183, 15665, 16380, 16870, 18075, 18798, 20244, 20475, 21690, 21931, 24100, 25305, 27300, 28197, 30366, 31330, 33740, 36150, 37596, 40950, 42175, 43380, 43862, 46995, 50610, 54225, 56394, 60732, 62660, 65793, 72300, 75915, 78325, 81900, 84350, 87724, 93990, 101220, 108450, 109655, 112788, 126525, 131586, 140985, 151830, 156650, 168700, 187980, 197379, 216900, 219310, 234975, 253050, 263172, 281970, 303660, 313300, 328965, 379575, 394758, 438620, 469950, 506100, 548275, 563940, 657930, 704925, 759150, 789516, 939900, 986895, 1096550, 1315860, 1409850, 1518300, 1644825, 1973790, 2193100, 2819700, 3289650, 3947580, 4934475, 6579300, 9868950, 19737900]

約数ペア:

[(1, 19737900), (2, 9868950), (3, 6579300), (4, 4934475), (5, 3947580), (6, 3289650), (7, 2819700), (9, 2193100), (10, 1973790), (12, 1644825), (13, 1518300), (14, 1409850), (15, 1315860), (18, 1096550), (20, 986895), (21, 939900), (25, 789516), (26, 759150), (28, 704925), (30, 657930), (35, 563940), (36, 548275), (39, 506100), (42, 469950), (45, 438620), (50, 394758), (52, 379575), (60, 328965), (63, 313300), (65, 303660), (70, 281970), (75, 263172), (78, 253050), (84, 234975), (90, 219310), (91, 216900), (100, 197379), (105, 187980), (117, 168700), (126, 156650), (130, 151830), (140, 140985), (150, 131586), (156, 126525), (175, 112788), (180, 109655), (182, 108450), (195, 101220), (210, 93990), (225, 87724), (234, 84350), (241, 81900), (252, 78325), (260, 75915), (273, 72300), (300, 65793), (315, 62660), (325, 60732), (350, 56394), (364, 54225), (390, 50610), (420, 46995), (450, 43862), (455, 43380), (468, 42175), (482, 40950), (525, 37596), (546, 36150), (585, 33740), (630, 31330), (650, 30366), (700, 28197), (723, 27300), (780, 25305), (819, 24100), (900, 21931), (910, 21690), (964, 20475), (975, 20244), (1050, 18798), (1092, 18075), (1170, 16870), (1205, 16380), (1260, 15665), (1300, 15183), (1365, 14460), (1446, 13650), (1575, 12532), (1638, 12050), (1687, 11700), (1820, 10845), (1950, 10122), (2100, 9399), (2169, 9100), (2275, 8676), (2340, 8435), (2410, 8190), (2730, 7230), (2892, 6825), (2925, 6748), (3133, 6300), (3150, 6266), (3276, 6025), (3374, 5850), (3615, 5460), (3900, 5061), (4095, 4820), (4338, 4550)]