18774884

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{479}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 33868800

約数和(自身を除く): 15093916

約数列:

[1, 2, 4, 41, 82, 164, 239, 478, 479, 956, 958, 1916, 9799, 19598, 19639, 39196, 39278, 78556, 114481, 228962, 457924, 4693721, 9387442, 18774884]

約数ペア:

[(1, 18774884), (2, 9387442), (4, 4693721), (41, 457924), (82, 228962), (164, 114481), (239, 78556), (478, 39278), (479, 39196), (956, 19639), (958, 19598), (1916, 9799)]