19652380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89329}}^1$

素因数の和:89349

約数の個数: 24

約数和(自身を含む): 45022320

約数和(自身を除く): 25369940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 89329, 178658, 357316, 446645, 893290, 982619, 1786580, 1965238, 3930476, 4913095, 9826190, 19652380]

約数ペア:

[(1, 19652380), (2, 9826190), (4, 4913095), (5, 3930476), (10, 1965238), (11, 1786580), (20, 982619), (22, 893290), (44, 446645), (55, 357316), (110, 178658), (220, 89329)]