18779816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{213407}}^1$

素因数の和:213424

約数の個数: 16

約数和(自身を含む): 38413440

約数和(自身を除く): 19633624

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 213407, 426814, 853628, 1707256, 2347477, 4694954, 9389908, 18779816]

約数ペア:

[(1, 18779816), (2, 9389908), (4, 4694954), (8, 2347477), (11, 1707256), (22, 853628), (44, 426814), (88, 213407)]