18815416

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 36368640

約数和(自身を除く): 17553224

約数列:

[1, 2, 4, 8, 47, 94, 163, 188, 307, 326, 376, 614, 652, 1228, 1304, 2456, 7661, 14429, 15322, 28858, 30644, 50041, 57716, 61288, 100082, 115432, 200164, 400328, 2351927, 4703854, 9407708, 18815416]

約数ペア:

[(1, 18815416), (2, 9407708), (4, 4703854), (8, 2351927), (47, 400328), (94, 200164), (163, 115432), (188, 100082), (307, 61288), (326, 57716), (376, 50041), (614, 30644), (652, 28858), (1228, 15322), (1304, 14429), (2456, 7661)]