18733362

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 42024960

約数和(自身を除く): 23291598

約数列:

[1, 2, 3, 6, 23, 29, 31, 46, 58, 62, 69, 87, 93, 138, 151, 174, 186, 302, 453, 667, 713, 899, 906, 1334, 1426, 1798, 2001, 2139, 2697, 3473, 4002, 4278, 4379, 4681, 5394, 6946, 8758, 9362, 10419, 13137, 14043, 20677, 20838, 26274, 28086, 41354, 62031, 100717, 107663, 124062, 135749, 201434, 215326, 271498, 302151, 322989, 407247, 604302, 645978, 814494, 3122227, 6244454, 9366681, 18733362]

約数ペア:

[(1, 18733362), (2, 9366681), (3, 6244454), (6, 3122227), (23, 814494), (29, 645978), (31, 604302), (46, 407247), (58, 322989), (62, 302151), (69, 271498), (87, 215326), (93, 201434), (138, 135749), (151, 124062), (174, 107663), (186, 100717), (302, 62031), (453, 41354), (667, 28086), (713, 26274), (899, 20838), (906, 20677), (1334, 14043), (1426, 13137), (1798, 10419), (2001, 9362), (2139, 8758), (2697, 6946), (3473, 5394), (4002, 4681), (4278, 4379)]