18718050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 51871680

約数和(自身を除く): 33153630

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 29, 30, 39, 50, 58, 65, 75, 78, 87, 130, 145, 150, 174, 195, 290, 325, 331, 377, 390, 435, 650, 662, 725, 754, 870, 975, 993, 1131, 1450, 1655, 1885, 1950, 1986, 2175, 2262, 3310, 3770, 4303, 4350, 4965, 5655, 8275, 8606, 9425, 9599, 9930, 11310, 12909, 16550, 18850, 19198, 21515, 24825, 25818, 28275, 28797, 43030, 47995, 49650, 56550, 57594, 64545, 95990, 107575, 124787, 129090, 143985, 215150, 239975, 249574, 287970, 322725, 374361, 479950, 623935, 645450, 719925, 748722, 1247870, 1439850, 1871805, 3119675, 3743610, 6239350, 9359025, 18718050]

約数ペア:

[(1, 18718050), (2, 9359025), (3, 6239350), (5, 3743610), (6, 3119675), (10, 1871805), (13, 1439850), (15, 1247870), (25, 748722), (26, 719925), (29, 645450), (30, 623935), (39, 479950), (50, 374361), (58, 322725), (65, 287970), (75, 249574), (78, 239975), (87, 215150), (130, 143985), (145, 129090), (150, 124787), (174, 107575), (195, 95990), (290, 64545), (325, 57594), (331, 56550), (377, 49650), (390, 47995), (435, 43030), (650, 28797), (662, 28275), (725, 25818), (754, 24825), (870, 21515), (975, 19198), (993, 18850), (1131, 16550), (1450, 12909), (1655, 11310), (1885, 9930), (1950, 9599), (1986, 9425), (2175, 8606), (2262, 8275), (3310, 5655), (3770, 4965), (4303, 4350)]