18638590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{64271}}^1$

素因数の和:64307

約数の個数: 16

約数和(自身を含む): 34706880

約数和(自身を除く): 16068290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 64271, 128542, 321355, 642710, 1863859, 3727718, 9319295, 18638590]

約数ペア:

[(1, 18638590), (2, 9319295), (5, 3727718), (10, 1863859), (29, 642710), (58, 321355), (145, 128542), (290, 64271)]