18665455

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1097}}^1$

素因数の和:1226

約数の個数: 16

約数和(自身を含む): 23242464

約数和(自身を除く): 4577009

約数列:

[1, 5, 41, 83, 205, 415, 1097, 3403, 5485, 17015, 44977, 91051, 224885, 455255, 3733091, 18665455]

約数ペア:

[(1, 18665455), (5, 3733091), (41, 455255), (83, 224885), (205, 91051), (415, 44977), (1097, 17015), (3403, 5485)]