17691380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1181}}^1$

素因数の和:1304

約数の個数: 48

約数和(自身を含む): 42892416

約数和(自身を除く): 25201036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1181, 1498, 2140, 2362, 2996, 3745, 4724, 5905, 7490, 8267, 11810, 14980, 16534, 23620, 33068, 41335, 82670, 126367, 165340, 252734, 505468, 631835, 884569, 1263670, 1769138, 2527340, 3538276, 4422845, 8845690, 17691380]

約数ペア:

[(1, 17691380), (2, 8845690), (4, 4422845), (5, 3538276), (7, 2527340), (10, 1769138), (14, 1263670), (20, 884569), (28, 631835), (35, 505468), (70, 252734), (107, 165340), (140, 126367), (214, 82670), (428, 41335), (535, 33068), (749, 23620), (1070, 16534), (1181, 14980), (1498, 11810), (2140, 8267), (2362, 7490), (2996, 5905), (3745, 4724)]