18869368

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1511}}^1$

素因数の和:1747

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 21773192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1511, 1561, 1784, 3022, 3122, 6044, 6244, 10577, 12088, 12488, 21154, 42308, 84616, 336953, 673906, 1347812, 2358671, 2695624, 4717342, 9434684, 18869368]

約数ペア:

[(1, 18869368), (2, 9434684), (4, 4717342), (7, 2695624), (8, 2358671), (14, 1347812), (28, 673906), (56, 336953), (223, 84616), (446, 42308), (892, 21154), (1511, 12488), (1561, 12088), (1784, 10577), (3022, 6244), (3122, 6044)]