18995067

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 35060480

約数和(自身を除く): 16065413

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 243, 273, 351, 567, 819, 859, 1053, 1701, 2457, 2577, 3159, 6013, 7371, 7731, 11167, 18039, 22113, 23193, 33501, 54117, 69579, 78169, 100503, 162351, 208737, 234507, 301509, 487053, 703521, 904527, 1461159, 2110563, 2713581, 6331689, 18995067]

約数ペア:

[(1, 18995067), (3, 6331689), (7, 2713581), (9, 2110563), (13, 1461159), (21, 904527), (27, 703521), (39, 487053), (63, 301509), (81, 234507), (91, 208737), (117, 162351), (189, 100503), (243, 78169), (273, 69579), (351, 54117), (567, 33501), (819, 23193), (859, 22113), (1053, 18039), (1701, 11167), (2457, 7731), (2577, 7371), (3159, 6013)]