19378238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8081}}^1$

素因数の和:8203

約数の個数: 16

約数和(自身を含む): 32004720

約数和(自身を除く): 12626482

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8081, 16162, 88891, 177782, 880829, 1761658, 9689119, 19378238]

約数ペア:

[(1, 19378238), (2, 9689119), (11, 1761658), (22, 880829), (109, 177782), (218, 88891), (1199, 16162), (2398, 8081)]