19263376

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109451}}^1$

素因数の和:109470

約数の個数: 20

約数和(自身を含む): 40716144

約数和(自身を除く): 21452768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109451, 218902, 437804, 875608, 1203961, 1751216, 2407922, 4815844, 9631688, 19263376]

約数ペア:

[(1, 19263376), (2, 9631688), (4, 4815844), (8, 2407922), (11, 1751216), (16, 1203961), (22, 875608), (44, 437804), (88, 218902), (176, 109451)]