19904302

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{1607}}^1$

素因数の和:2183

約数の個数: 16

約数和(自身を含む): 32648832

約数和(自身を除く): 12744530

約数列:

[1, 2, 11, 22, 563, 1126, 1607, 3214, 6193, 12386, 17677, 35354, 904741, 1809482, 9952151, 19904302]

約数ペア:

[(1, 19904302), (2, 9952151), (11, 1809482), (22, 904741), (563, 35354), (1126, 17677), (1607, 12386), (3214, 6193)]