18731380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19927}}^1$

素因数の和:19983

約数の個数: 24

約数和(自身を含む): 40174848

約数和(自身を除く): 21443468

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 19927, 39854, 79708, 99635, 199270, 398540, 936569, 1873138, 3746276, 4682845, 9365690, 18731380]

約数ペア:

[(1, 18731380), (2, 9365690), (4, 4682845), (5, 3746276), (10, 1873138), (20, 936569), (47, 398540), (94, 199270), (188, 99635), (235, 79708), (470, 39854), (940, 19927)]