19333820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{87881}}^1$

素因数の和:87901

約数の個数: 24

約数和(自身を含む): 44292528

約数和(自身を除く): 24958708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 87881, 175762, 351524, 439405, 878810, 966691, 1757620, 1933382, 3866764, 4833455, 9666910, 19333820]

約数ペア:

[(1, 19333820), (2, 9666910), (4, 4833455), (5, 3866764), (10, 1933382), (11, 1757620), (20, 966691), (22, 878810), (44, 439405), (55, 351524), (110, 175762), (220, 87881)]