18564722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 31739904

約数和(自身を除く): 13175182

約数列:

[1, 2, 11, 22, 31, 62, 163, 167, 326, 334, 341, 682, 1793, 1837, 3586, 3674, 5053, 5177, 10106, 10354, 27221, 54442, 55583, 56947, 111166, 113894, 299431, 598862, 843851, 1687702, 9282361, 18564722]

約数ペア:

[(1, 18564722), (2, 9282361), (11, 1687702), (22, 843851), (31, 598862), (62, 299431), (163, 113894), (167, 111166), (326, 56947), (334, 55583), (341, 54442), (682, 27221), (1793, 10354), (1837, 10106), (3586, 5177), (3674, 5053)]