18116345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2557}}^1$

素因数の和:2684

約数の個数: 16

約数和(自身を含む): 23635920

約数和(自身を除く): 5519575

約数列:

[1, 5, 13, 65, 109, 545, 1417, 2557, 7085, 12785, 33241, 166205, 278713, 1393565, 3623269, 18116345]

約数ペア:

[(1, 18116345), (5, 3623269), (13, 1393565), (65, 278713), (109, 166205), (545, 33241), (1417, 12785), (2557, 7085)]