18974320

素因数分解:

$2^4\times 5^1\times {\mathrm{237179}}^1$

素因数の和:237192

約数の個数: 20

約数和(自身を含む): 44115480

約数和(自身を除く): 25141160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 237179, 474358, 948716, 1185895, 1897432, 2371790, 3794864, 4743580, 9487160, 18974320]

約数ペア:

[(1, 18974320), (2, 9487160), (4, 4743580), (5, 3794864), (8, 2371790), (10, 1897432), (16, 1185895), (20, 948716), (40, 474358), (80, 237179)]