18361240

素因数分解:

$2^3\times 5^1\times {\mathrm{459031}}^1$

素因数の和:459042

約数の個数: 16

約数和(自身を含む): 41312880

約数和(自身を除く): 22951640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 459031, 918062, 1836124, 2295155, 3672248, 4590310, 9180620, 18361240]

約数ペア:

[(1, 18361240), (2, 9180620), (4, 4590310), (5, 3672248), (8, 2295155), (10, 1836124), (20, 918062), (40, 459031)]