19258265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3329}}^1$

素因数の和:3436

約数の個数: 16

約数和(自身を含む): 25174800

約数和(自身を除く): 5916535

約数列:

[1, 5, 13, 65, 89, 445, 1157, 3329, 5785, 16645, 43277, 216385, 296281, 1481405, 3851653, 19258265]

約数ペア:

[(1, 19258265), (5, 3851653), (13, 1481405), (65, 296281), (89, 216385), (445, 43277), (1157, 16645), (3329, 5785)]