18610137

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{733}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 34198528

約数和(自身を除く): 15588391

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 91, 93, 117, 217, 273, 279, 403, 651, 733, 819, 1209, 1953, 2199, 2821, 3627, 5131, 6597, 8463, 9529, 15393, 22723, 25389, 28587, 46179, 66703, 68169, 85761, 159061, 200109, 204507, 295399, 477183, 600327, 886197, 1431549, 2067793, 2658591, 6203379, 18610137]

約数ペア:

[(1, 18610137), (3, 6203379), (7, 2658591), (9, 2067793), (13, 1431549), (21, 886197), (31, 600327), (39, 477183), (63, 295399), (91, 204507), (93, 200109), (117, 159061), (217, 85761), (273, 68169), (279, 66703), (403, 46179), (651, 28587), (733, 25389), (819, 22723), (1209, 15393), (1953, 9529), (2199, 8463), (2821, 6597), (3627, 5131)]