19289908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7187}}^1$

素因数の和:7263

約数の個数: 24

約数和(自身を含む): 37435104

約数和(自身を除く): 18145196

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 7187, 14374, 28748, 79057, 158114, 316228, 438407, 876814, 1753628, 4822477, 9644954, 19289908]

約数ペア:

[(1, 19289908), (2, 9644954), (4, 4822477), (11, 1753628), (22, 876814), (44, 438407), (61, 316228), (122, 158114), (244, 79057), (671, 28748), (1342, 14374), (2684, 7187)]