18828620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49549}}^1$

素因数の和:49577

約数の個数: 24

約数和(自身を含む): 41622000

約数和(自身を除く): 22793380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 49549, 99098, 198196, 247745, 495490, 941431, 990980, 1882862, 3765724, 4707155, 9414310, 18828620]

約数ペア:

[(1, 18828620), (2, 9414310), (4, 4707155), (5, 3765724), (10, 1882862), (19, 990980), (20, 941431), (38, 495490), (76, 247745), (95, 198196), (190, 99098), (380, 49549)]