19877131

素因数分解:

${\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:774

約数の個数: 12

約数和(自身を含む): 21342640

約数和(自身を除く): 1465509

約数列:

[1, 17, 109, 289, 631, 1853, 10727, 31501, 68779, 182359, 1169243, 19877131]

約数ペア:

[(1, 19877131), (17, 1169243), (109, 182359), (289, 68779), (631, 31501), (1853, 10727)]