18893896

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5531}}^1$

素因数の和:5605

約数の個数: 32

約数和(自身を含む): 41158080

約数和(自身を除く): 22264184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 5531, 11062, 22124, 38717, 44248, 77434, 154868, 309736, 337391, 674782, 1349564, 2361737, 2699128, 4723474, 9446948, 18893896]

約数ペア:

[(1, 18893896), (2, 9446948), (4, 4723474), (7, 2699128), (8, 2361737), (14, 1349564), (28, 674782), (56, 337391), (61, 309736), (122, 154868), (244, 77434), (427, 44248), (488, 38717), (854, 22124), (1708, 11062), (3416, 5531)]