218639612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{26393}}^1$

素因数の和:26525

約数の個数: 24

約数和(自身を含む): 406467600

約数和(自身を除く): 187827988

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 4142, 8284, 26393, 52786, 105572, 501467, 1002934, 2005868, 2876837, 5753674, 11507348, 54659903, 109319806, 218639612]

約数ペア:

[(1, 218639612), (2, 109319806), (4, 54659903), (19, 11507348), (38, 5753674), (76, 2876837), (109, 2005868), (218, 1002934), (436, 501467), (2071, 105572), (4142, 52786), (8284, 26393)]