18799220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85451}}^1$

素因数の和:85471

約数の個数: 24

約数和(自身を含む): 43067808

約数和(自身を除く): 24268588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85451, 170902, 341804, 427255, 854510, 939961, 1709020, 1879922, 3759844, 4699805, 9399610, 18799220]

約数ペア:

[(1, 18799220), (2, 9399610), (4, 4699805), (5, 3759844), (10, 1879922), (11, 1709020), (20, 939961), (22, 854510), (44, 427255), (55, 341804), (110, 170902), (220, 85451)]