18025007

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 24399648

約数和(自身を除く): 6374641

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1573, 1637, 11011, 11459, 18007, 21281, 126049, 148967, 198077, 234091, 1386539, 1638637, 2575001, 18025007]

約数ペア:

[(1, 18025007), (7, 2575001), (11, 1638637), (13, 1386539), (77, 234091), (91, 198077), (121, 148967), (143, 126049), (847, 21281), (1001, 18007), (1573, 11459), (1637, 11011)]