18318212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{787}}^1$

素因数の和:848

約数の個数: 36

約数和(自身を含む): 36604176

約数和(自身を除く): 18285964

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 529, 787, 1012, 1058, 1574, 2116, 3148, 5819, 8657, 11638, 17314, 18101, 23276, 34628, 36202, 72404, 199111, 398222, 416323, 796444, 832646, 1665292, 4579553, 9159106, 18318212]

約数ペア:

[(1, 18318212), (2, 9159106), (4, 4579553), (11, 1665292), (22, 832646), (23, 796444), (44, 416323), (46, 398222), (92, 199111), (253, 72404), (506, 36202), (529, 34628), (787, 23276), (1012, 18101), (1058, 17314), (1574, 11638), (2116, 8657), (3148, 5819)]