18233980

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5807}}^1$

素因数の和:5973

約数の個数: 24

約数和(自身を含む): 38541888

約数和(自身を除く): 20307908

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 5807, 11614, 23228, 29035, 58070, 116140, 911699, 1823398, 3646796, 4558495, 9116990, 18233980]

約数ペア:

[(1, 18233980), (2, 9116990), (4, 4558495), (5, 3646796), (10, 1823398), (20, 911699), (157, 116140), (314, 58070), (628, 29035), (785, 23228), (1570, 11614), (3140, 5807)]