18208309

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2887}}^1$

素因数の和:2964

約数の個数: 16

約数和(自身を含む): 22457088

約数和(自身を除く): 4248779

約数列:

[1, 7, 17, 53, 119, 371, 901, 2887, 6307, 20209, 49079, 153011, 343553, 1071077, 2601187, 18208309]

約数ペア:

[(1, 18208309), (7, 2601187), (17, 1071077), (53, 343553), (119, 153011), (371, 49079), (901, 20209), (2887, 6307)]