19896201

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 36

約数和(自身を含む): 31669248

約数和(自身を除く): 11773047

約数列:

[1, 3, 9, 13, 39, 103, 117, 127, 169, 309, 381, 507, 927, 1143, 1339, 1521, 1651, 4017, 4953, 12051, 13081, 14859, 17407, 21463, 39243, 52221, 64389, 117729, 156663, 170053, 193167, 510159, 1530477, 2210689, 6632067, 19896201]

約数ペア:

[(1, 19896201), (3, 6632067), (9, 2210689), (13, 1530477), (39, 510159), (103, 193167), (117, 170053), (127, 156663), (169, 117729), (309, 64389), (381, 52221), (507, 39243), (927, 21463), (1143, 17407), (1339, 14859), (1521, 13081), (1651, 12051), (4017, 4953)]