18166445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 24952320

約数和(自身を除く): 6785875

約数列:

[1, 5, 11, 37, 55, 79, 113, 185, 395, 407, 565, 869, 1243, 2035, 2923, 4181, 4345, 6215, 8927, 14615, 20905, 32153, 44635, 45991, 98197, 160765, 229955, 330299, 490985, 1651495, 3633289, 18166445]

約数ペア:

[(1, 18166445), (5, 3633289), (11, 1651495), (37, 490985), (55, 330299), (79, 229955), (113, 160765), (185, 98197), (395, 45991), (407, 44635), (565, 32153), (869, 20905), (1243, 14615), (2035, 8927), (2923, 6215), (4181, 4345)]