18798320

素因数分解:

$2^4\times 5^1\times {\mathrm{234979}}^1$

素因数の和:234992

約数の個数: 20

約数和(自身を含む): 43706280

約数和(自身を除く): 24907960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234979, 469958, 939916, 1174895, 1879832, 2349790, 3759664, 4699580, 9399160, 18798320]

約数ペア:

[(1, 18798320), (2, 9399160), (4, 4699580), (5, 3759664), (8, 2349790), (10, 1879832), (16, 1174895), (20, 939916), (40, 469958), (80, 234979)]