18391268

素因数分解:

$2^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{911}}^1$

素因数の和:1032

約数の個数: 36

約数和(自身を含む): 37844352

約数和(自身を除く): 19453084

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 412, 721, 911, 1442, 1822, 2884, 3644, 5047, 6377, 10094, 12754, 20188, 25508, 44639, 89278, 93833, 178556, 187666, 375332, 656831, 1313662, 2627324, 4597817, 9195634, 18391268]

約数ペア:

[(1, 18391268), (2, 9195634), (4, 4597817), (7, 2627324), (14, 1313662), (28, 656831), (49, 375332), (98, 187666), (103, 178556), (196, 93833), (206, 89278), (412, 44639), (721, 25508), (911, 20188), (1442, 12754), (1822, 10094), (2884, 6377), (3644, 5047)]