18964112

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{617}}^1$

素因数の和:755

約数の個数: 40

約数和(自身を含む): 39312216

約数和(自身を除く): 20348104

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 113, 136, 226, 272, 452, 617, 904, 1234, 1808, 1921, 2468, 3842, 4936, 7684, 9872, 10489, 15368, 20978, 30736, 41956, 69721, 83912, 139442, 167824, 278884, 557768, 1115536, 1185257, 2370514, 4741028, 9482056, 18964112]

約数ペア:

[(1, 18964112), (2, 9482056), (4, 4741028), (8, 2370514), (16, 1185257), (17, 1115536), (34, 557768), (68, 278884), (113, 167824), (136, 139442), (226, 83912), (272, 69721), (452, 41956), (617, 30736), (904, 20978), (1234, 15368), (1808, 10489), (1921, 9872), (2468, 7684), (3842, 4936)]