19182380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{757}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 46353216

約数和(自身を除く): 27170836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 757, 905, 1267, 1514, 1810, 2534, 3028, 3620, 3785, 5068, 5299, 6335, 7570, 10598, 12670, 15140, 21196, 25340, 26495, 52990, 105980, 137017, 274034, 548068, 685085, 959119, 1370170, 1918238, 2740340, 3836476, 4795595, 9591190, 19182380]

約数ペア:

[(1, 19182380), (2, 9591190), (4, 4795595), (5, 3836476), (7, 2740340), (10, 1918238), (14, 1370170), (20, 959119), (28, 685085), (35, 548068), (70, 274034), (140, 137017), (181, 105980), (362, 52990), (724, 26495), (757, 25340), (905, 21196), (1267, 15140), (1514, 12670), (1810, 10598), (2534, 7570), (3028, 6335), (3620, 5299), (3785, 5068)]