18210590

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{2251}}^1$

素因数の和:3067

約数の個数: 16

約数和(自身を含む): 32834160

約数和(自身を除く): 14623570

約数列:

[1, 2, 5, 10, 809, 1618, 2251, 4045, 4502, 8090, 11255, 22510, 1821059, 3642118, 9105295, 18210590]

約数ペア:

[(1, 18210590), (2, 9105295), (5, 3642118), (10, 1821059), (809, 22510), (1618, 11255), (2251, 8090), (4045, 4502)]