18345431

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 22177680

約数和(自身を除く): 3832249

約数列:

[1, 13, 17, 19, 221, 247, 257, 289, 323, 3341, 3757, 4199, 4369, 4883, 5491, 56797, 63479, 71383, 74273, 83011, 965549, 1079143, 1411187, 18345431]

約数ペア:

[(1, 18345431), (13, 1411187), (17, 1079143), (19, 965549), (221, 83011), (247, 74273), (257, 71383), (289, 63479), (323, 56797), (3341, 5491), (3757, 4883), (4199, 4369)]