18474897

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2437}}^1$

素因数の和:2485

約数の個数: 24

約数和(自身を含む): 29724096

約数和(自身を除く): 11249199

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2437, 2527, 7311, 7581, 17059, 46303, 51177, 138909, 324121, 879757, 972363, 2639271, 6158299, 18474897]

約数ペア:

[(1, 18474897), (3, 6158299), (7, 2639271), (19, 972363), (21, 879757), (57, 324121), (133, 138909), (361, 51177), (399, 46303), (1083, 17059), (2437, 7581), (2527, 7311)]