19971566

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11083}}^1$

素因数の和:11155

約数の個数: 16

約数和(自身を含む): 32320944

約数和(自身を除く): 12349378

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 11083, 22166, 188411, 376822, 587399, 1174798, 9985783, 19971566]

約数ペア:

[(1, 19971566), (2, 9985783), (17, 1174798), (34, 587399), (53, 376822), (106, 188411), (901, 22166), (1802, 11083)]