18217495

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1009}}^1$

素因数の和:1194

約数の個数: 16

約数和(自身を含む): 22979520

約数和(自身を除く): 4762025

約数列:

[1, 5, 23, 115, 157, 785, 1009, 3611, 5045, 18055, 23207, 116035, 158413, 792065, 3643499, 18217495]

約数ペア:

[(1, 18217495), (5, 3643499), (23, 792065), (115, 158413), (157, 116035), (785, 23207), (1009, 18055), (3611, 5045)]