18244028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 37161600

約数和(自身を除く): 18917572

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 139, 157, 209, 278, 314, 418, 556, 628, 836, 1529, 1727, 2641, 2983, 3058, 3454, 5282, 5966, 6116, 6908, 10564, 11932, 21823, 29051, 32813, 43646, 58102, 65626, 87292, 116204, 131252, 240053, 414637, 480106, 829274, 960212, 1658548, 4561007, 9122014, 18244028]

約数ペア:

[(1, 18244028), (2, 9122014), (4, 4561007), (11, 1658548), (19, 960212), (22, 829274), (38, 480106), (44, 414637), (76, 240053), (139, 131252), (157, 116204), (209, 87292), (278, 65626), (314, 58102), (418, 43646), (556, 32813), (628, 29051), (836, 21823), (1529, 11932), (1727, 10564), (2641, 6908), (2983, 6116), (3058, 5966), (3454, 5282)]