18986781635

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4026889}}^1$

素因数の和:4026958

約数の個数: 16

約数和(自身を含む): 24354630720

約数和(自身を除く): 5367849085

約数列:

[1, 5, 23, 41, 115, 205, 943, 4715, 4026889, 20134445, 92618447, 165102449, 463092235, 825512245, 3797356327, 18986781635]

約数ペア:

[(1, 18986781635), (5, 3797356327), (23, 825512245), (41, 463092235), (115, 165102449), (205, 92618447), (943, 20134445), (4715, 4026889)]