18709265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4153}}^1$

素因数の和:4228

約数の個数: 16

約数和(自身を含む): 24226128

約数和(自身を除く): 5516863

約数列:

[1, 5, 17, 53, 85, 265, 901, 4153, 4505, 20765, 70601, 220109, 353005, 1100545, 3741853, 18709265]

約数ペア:

[(1, 18709265), (5, 3741853), (17, 1100545), (53, 353005), (85, 220109), (265, 70601), (901, 20765), (4153, 4505)]