19214380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12161}}^1$

素因数の和:12249

約数の個数: 24

約数和(自身を含む): 40864320

約数和(自身を除く): 21649940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12161, 24322, 48644, 60805, 121610, 243220, 960719, 1921438, 3842876, 4803595, 9607190, 19214380]

約数ペア:

[(1, 19214380), (2, 9607190), (4, 4803595), (5, 3842876), (10, 1921438), (20, 960719), (79, 243220), (158, 121610), (316, 60805), (395, 48644), (790, 24322), (1580, 12161)]