11989340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{54497}}^1$

素因数の和:54517

約数の個数: 24

約数和(自身を含む): 27466992

約数和(自身を除く): 15477652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 54497, 108994, 217988, 272485, 544970, 599467, 1089940, 1198934, 2397868, 2997335, 5994670, 11989340]

約数ペア:

[(1, 11989340), (2, 5994670), (4, 2997335), (5, 2397868), (10, 1198934), (11, 1089940), (20, 599467), (22, 544970), (44, 272485), (55, 217988), (110, 108994), (220, 54497)]