18204508

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1801}}^1$

素因数の和:1850

約数の個数: 36

約数和(自身を含む): 38447472

約数和(自身を除く): 20242964

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 1801, 2527, 3602, 5054, 7204, 10108, 12607, 25214, 34219, 50428, 68438, 136876, 239533, 479066, 650161, 958132, 1300322, 2600644, 4551127, 9102254, 18204508]

約数ペア:

[(1, 18204508), (2, 9102254), (4, 4551127), (7, 2600644), (14, 1300322), (19, 958132), (28, 650161), (38, 479066), (76, 239533), (133, 136876), (266, 68438), (361, 50428), (532, 34219), (722, 25214), (1444, 12607), (1801, 10108), (2527, 7204), (3602, 5054)]