18520340

素因数分解:

$2^2\times 5^1\times {\mathrm{926017}}^1$

素因数の和:926026

約数の個数: 12

約数和(自身を含む): 38892756

約数和(自身を除く): 20372416

約数列:

[1, 2, 4, 5, 10, 20, 926017, 1852034, 3704068, 4630085, 9260170, 18520340]

約数ペア:

[(1, 18520340), (2, 9260170), (4, 4630085), (5, 3704068), (10, 1852034), (20, 926017)]