18445765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16693}}^1$

素因数の和:16728

約数の個数: 16

約数和(自身を含む): 25241328

約数和(自身を除く): 6795563

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 16693, 83465, 217009, 283781, 1085045, 1418905, 3689153, 18445765]

約数ペア:

[(1, 18445765), (5, 3689153), (13, 1418905), (17, 1085045), (65, 283781), (85, 217009), (221, 83465), (1105, 16693)]