18886710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8867}}^1$

素因数の和:8948

約数の個数: 32

約数和(自身を含む): 45971712

約数和(自身を除く): 27085002

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 8867, 17734, 26601, 44335, 53202, 88670, 133005, 266010, 629557, 1259114, 1888671, 3147785, 3777342, 6295570, 9443355, 18886710]

約数ペア:

[(1, 18886710), (2, 9443355), (3, 6295570), (5, 3777342), (6, 3147785), (10, 1888671), (15, 1259114), (30, 629557), (71, 266010), (142, 133005), (213, 88670), (355, 53202), (426, 44335), (710, 26601), (1065, 17734), (2130, 8867)]