18954419

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1019}}^1$

素因数の和:1138

約数の個数: 16

約数和(自身を含む): 22032000

約数和(自身を除く): 3077581

約数列:

[1, 11, 19, 89, 209, 979, 1019, 1691, 11209, 18601, 19361, 90691, 212971, 997601, 1723129, 18954419]

約数ペア:

[(1, 18954419), (11, 1723129), (19, 997601), (89, 212971), (209, 90691), (979, 19361), (1019, 18601), (1691, 11209)]