18740588

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{811}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 33762960

約数和(自身を除く): 15022372

約数列:

[1, 2, 4, 53, 106, 109, 212, 218, 436, 811, 1622, 3244, 5777, 11554, 23108, 42983, 85966, 88399, 171932, 176798, 353596, 4685147, 9370294, 18740588]

約数ペア:

[(1, 18740588), (2, 9370294), (4, 4685147), (53, 353596), (106, 176798), (109, 171932), (212, 88399), (218, 85966), (436, 42983), (811, 23108), (1622, 11554), (3244, 5777)]