18791380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49451}}^1$

素因数の和:49479

約数の個数: 24

約数和(自身を含む): 41539680

約数和(自身を除く): 22748300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 49451, 98902, 197804, 247255, 494510, 939569, 989020, 1879138, 3758276, 4697845, 9395690, 18791380]

約数ペア:

[(1, 18791380), (2, 9395690), (4, 4697845), (5, 3758276), (10, 1879138), (19, 989020), (20, 939569), (38, 494510), (76, 247255), (95, 197804), (190, 98902), (380, 49451)]