18221398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{4051}}^1$

素因数の和:4239

約数の個数: 16

約数和(自身を含む): 29612016

約数和(自身を除く): 11390618

約数列:

[1, 2, 13, 26, 173, 346, 2249, 4051, 4498, 8102, 52663, 105326, 700823, 1401646, 9110699, 18221398]

約数ペア:

[(1, 18221398), (2, 9110699), (13, 1401646), (26, 700823), (173, 105326), (346, 52663), (2249, 8102), (4051, 4498)]