18831501

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{4127}}^1$

素因数の和:4162

約数の個数: 24

約数和(自身を含む): 30216960

約数和(自身を除く): 11385459

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4127, 4563, 12381, 37143, 53651, 111429, 160953, 482859, 697463, 1448577, 2092389, 6277167, 18831501]

約数ペア:

[(1, 18831501), (3, 6277167), (9, 2092389), (13, 1448577), (27, 697463), (39, 482859), (117, 160953), (169, 111429), (351, 53651), (507, 37143), (1521, 12381), (4127, 4563)]