18490353

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28403}}^1$

素因数の和:28444

約数の個数: 16

約数和(自身を含む): 29085696

約数和(自身を除く): 10595343

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 28403, 85209, 198821, 596463, 880493, 2641479, 6163451, 18490353]

約数ペア:

[(1, 18490353), (3, 6163451), (7, 2641479), (21, 880493), (31, 596463), (93, 198821), (217, 85209), (651, 28403)]