18717960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1033}}^1$

素因数の和:1198

約数の個数: 64

約数和(自身を含む): 56580480

約数和(自身を除く): 37862520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151, 302, 453, 604, 755, 906, 1033, 1208, 1510, 1812, 2066, 2265, 3020, 3099, 3624, 4132, 4530, 5165, 6040, 6198, 8264, 9060, 10330, 12396, 15495, 18120, 20660, 24792, 30990, 41320, 61980, 123960, 155983, 311966, 467949, 623932, 779915, 935898, 1247864, 1559830, 1871796, 2339745, 3119660, 3743592, 4679490, 6239320, 9358980, 18717960]

約数ペア:

[(1, 18717960), (2, 9358980), (3, 6239320), (4, 4679490), (5, 3743592), (6, 3119660), (8, 2339745), (10, 1871796), (12, 1559830), (15, 1247864), (20, 935898), (24, 779915), (30, 623932), (40, 467949), (60, 311966), (120, 155983), (151, 123960), (302, 61980), (453, 41320), (604, 30990), (755, 24792), (906, 20660), (1033, 18120), (1208, 15495), (1510, 12396), (1812, 10330), (2066, 9060), (2265, 8264), (3020, 6198), (3099, 6040), (3624, 5165), (4132, 4530)]