18257853

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1433}}^1$

素因数の和:1604

約数の個数: 16

約数和(自身を含む): 25330176

約数和(自身を除く): 7072323

約数列:

[1, 3, 31, 93, 137, 411, 1433, 4247, 4299, 12741, 44423, 133269, 196321, 588963, 6085951, 18257853]

約数ペア:

[(1, 18257853), (3, 6085951), (31, 588963), (93, 196321), (137, 133269), (411, 44423), (1433, 12741), (4247, 4299)]