18786699

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1931}}^1$

素因数の和:2007

約数の個数: 24

約数和(自身を含む): 28933632

約数和(自身を除く): 10146933

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 1931, 3243, 5793, 9729, 17379, 44413, 90757, 133239, 272271, 399717, 816813, 2087411, 6262233, 18786699]

約数ペア:

[(1, 18786699), (3, 6262233), (9, 2087411), (23, 816813), (47, 399717), (69, 272271), (141, 133239), (207, 90757), (423, 44413), (1081, 17379), (1931, 9729), (3243, 5793)]