18398961

素因数分解:

$3^3\times 7^2\times {\mathrm{13907}}^1$

素因数の和:13930

約数の個数: 24

約数和(自身を含む): 31710240

約数和(自身を除く): 13311279

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 13907, 41721, 97349, 125163, 292047, 375489, 681443, 876141, 2044329, 2628423, 6132987, 18398961]

約数ペア:

[(1, 18398961), (3, 6132987), (7, 2628423), (9, 2044329), (21, 876141), (27, 681443), (49, 375489), (63, 292047), (147, 125163), (189, 97349), (441, 41721), (1323, 13907)]