19872226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8287}}^1$

素因数の和:8409

約数の個数: 16

約数和(自身を含む): 32820480

約数和(自身を除く): 12948254

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8287, 16574, 91157, 182314, 903283, 1806566, 9936113, 19872226]

約数ペア:

[(1, 19872226), (2, 9936113), (11, 1806566), (22, 903283), (109, 182314), (218, 91157), (1199, 16574), (2398, 8287)]