18729320

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5927}}^1$

素因数の和:6017

約数の個数: 32

約数和(自身を含む): 42681600

約数和(自身を除く): 23952280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 5927, 11854, 23708, 29635, 47416, 59270, 118540, 237080, 468233, 936466, 1872932, 2341165, 3745864, 4682330, 9364660, 18729320]

約数ペア:

[(1, 18729320), (2, 9364660), (4, 4682330), (5, 3745864), (8, 2341165), (10, 1872932), (20, 936466), (40, 468233), (79, 237080), (158, 118540), (316, 59270), (395, 47416), (632, 29635), (790, 23708), (1580, 11854), (3160, 5927)]