18247505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{479}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 23155200

約数和(自身を除く): 4907695

約数列:

[1, 5, 19, 95, 401, 479, 2005, 2395, 7619, 9101, 38095, 45505, 192079, 960395, 3649501, 18247505]

約数ペア:

[(1, 18247505), (5, 3649501), (19, 960395), (95, 192079), (401, 45505), (479, 38095), (2005, 9101), (2395, 7619)]