18379875

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{2131}}^1$

素因数の和:2172

約数の個数: 32

約数和(自身を含む): 31928832

約数和(自身を除く): 13548957

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 125, 345, 375, 575, 1725, 2131, 2875, 6393, 8625, 10655, 31965, 49013, 53275, 147039, 159825, 245065, 266375, 735195, 799125, 1225325, 3675975, 6126625, 18379875]

約数ペア:

[(1, 18379875), (3, 6126625), (5, 3675975), (15, 1225325), (23, 799125), (25, 735195), (69, 266375), (75, 245065), (115, 159825), (125, 147039), (345, 53275), (375, 49013), (575, 31965), (1725, 10655), (2131, 8625), (2875, 6393)]