18884432

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1637}}^1$

素因数の和:1755

約数の個数: 40

約数和(自身を含む): 42247296

約数和(自身を除く): 23362864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1637, 1648, 2884, 3274, 5768, 6548, 11459, 11536, 13096, 22918, 26192, 45836, 91672, 168611, 183344, 337222, 674444, 1180277, 1348888, 2360554, 2697776, 4721108, 9442216, 18884432]

約数ペア:

[(1, 18884432), (2, 9442216), (4, 4721108), (7, 2697776), (8, 2360554), (14, 1348888), (16, 1180277), (28, 674444), (56, 337222), (103, 183344), (112, 168611), (206, 91672), (412, 45836), (721, 26192), (824, 22918), (1442, 13096), (1637, 11536), (1648, 11459), (2884, 6548), (3274, 5768)]