18704405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3967}}^1$

素因数の和:4036

約数の個数: 16

約数和(自身を含む): 23998464

約数和(自身を除く): 5294059

約数列:

[1, 5, 23, 41, 115, 205, 943, 3967, 4715, 19835, 91241, 162647, 456205, 813235, 3740881, 18704405]

約数ペア:

[(1, 18704405), (5, 3740881), (23, 813235), (41, 456205), (115, 162647), (205, 91241), (943, 19835), (3967, 4715)]