18905112

素因数分解:

$2^3\times 3^2\times {\mathrm{139}}^1\times {\mathrm{1889}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 51597000

約数和(自身を除く): 32691888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 139, 278, 417, 556, 834, 1112, 1251, 1668, 1889, 2502, 3336, 3778, 5004, 5667, 7556, 10008, 11334, 15112, 17001, 22668, 34002, 45336, 68004, 136008, 262571, 525142, 787713, 1050284, 1575426, 2100568, 2363139, 3150852, 4726278, 6301704, 9452556, 18905112]

約数ペア:

[(1, 18905112), (2, 9452556), (3, 6301704), (4, 4726278), (6, 3150852), (8, 2363139), (9, 2100568), (12, 1575426), (18, 1050284), (24, 787713), (36, 525142), (72, 262571), (139, 136008), (278, 68004), (417, 45336), (556, 34002), (834, 22668), (1112, 17001), (1251, 15112), (1668, 11334), (1889, 10008), (2502, 7556), (3336, 5667), (3778, 5004)]