18145716

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 43714944

約数和(自身を除く): 25569228

約数列:

[1, 2, 3, 4, 6, 12, 53, 103, 106, 159, 206, 212, 277, 309, 318, 412, 554, 618, 636, 831, 1108, 1236, 1662, 3324, 5459, 10918, 14681, 16377, 21836, 28531, 29362, 32754, 44043, 57062, 58724, 65508, 85593, 88086, 114124, 171186, 176172, 342372, 1512143, 3024286, 4536429, 6048572, 9072858, 18145716]

約数ペア:

[(1, 18145716), (2, 9072858), (3, 6048572), (4, 4536429), (6, 3024286), (12, 1512143), (53, 342372), (103, 176172), (106, 171186), (159, 114124), (206, 88086), (212, 85593), (277, 65508), (309, 58724), (318, 57062), (412, 44043), (554, 32754), (618, 29362), (636, 28531), (831, 21836), (1108, 16377), (1236, 14681), (1662, 10918), (3324, 5459)]