18804436

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2593}}^1$

素因数の和:2648

約数の個数: 36

約数和(自身を含む): 39330228

約数和(自身を除く): 20525792

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 2593, 3626, 5186, 7252, 10372, 18151, 36302, 72604, 95941, 127057, 191882, 254114, 383764, 508228, 671587, 1343174, 2686348, 4701109, 9402218, 18804436]

約数ペア:

[(1, 18804436), (2, 9402218), (4, 4701109), (7, 2686348), (14, 1343174), (28, 671587), (37, 508228), (49, 383764), (74, 254114), (98, 191882), (148, 127057), (196, 95941), (259, 72604), (518, 36302), (1036, 18151), (1813, 10372), (2593, 7252), (3626, 5186)]