18740045

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{863}}^1$

素因数の和:1012

約数の個数: 16

約数和(自身を含む): 23265792

約数和(自身を除く): 4525747

約数列:

[1, 5, 43, 101, 215, 505, 863, 4315, 4343, 21715, 37109, 87163, 185545, 435815, 3748009, 18740045]

約数ペア:

[(1, 18740045), (5, 3748009), (43, 435815), (101, 185545), (215, 87163), (505, 37109), (863, 21715), (4315, 4343)]