18837445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20147}}^1$

素因数の和:20180

約数の個数: 16

約数和(自身を含む): 26111808

約数和(自身を除く): 7274363

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 20147, 100735, 221617, 342499, 1108085, 1712495, 3767489, 18837445]

約数ペア:

[(1, 18837445), (5, 3767489), (11, 1712495), (17, 1108085), (55, 342499), (85, 221617), (187, 100735), (935, 20147)]