18225740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70099}}^1$

素因数の和:70121

約数の個数: 24

約数和(自身を含む): 41218800

約数和(自身を除く): 22993060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70099, 140198, 280396, 350495, 700990, 911287, 1401980, 1822574, 3645148, 4556435, 9112870, 18225740]

約数ペア:

[(1, 18225740), (2, 9112870), (4, 4556435), (5, 3645148), (10, 1822574), (13, 1401980), (20, 911287), (26, 700990), (52, 350495), (65, 280396), (130, 140198), (260, 70099)]