11891820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{198197}}^1$

素因数の和:198209

約数の個数: 24

約数和(自身を含む): 33297264

約数和(自身を除く): 21405444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 198197, 396394, 594591, 792788, 990985, 1189182, 1981970, 2378364, 2972955, 3963940, 5945910, 11891820]

約数ペア:

[(1, 11891820), (2, 5945910), (3, 3963940), (4, 2972955), (5, 2378364), (6, 1981970), (10, 1189182), (12, 990985), (15, 792788), (20, 594591), (30, 396394), (60, 198197)]