18656243613

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{35899}}^1$

素因数の和:36098

約数の個数: 48

約数和(自身を含む): 31496649600

約数和(自身を除く): 12840405987

約数列:

[1, 3, 7, 9, 21, 63, 73, 113, 219, 339, 511, 657, 791, 1017, 1533, 2373, 4599, 7119, 8249, 24747, 35899, 57743, 74241, 107697, 173229, 251293, 323091, 519687, 753879, 2261637, 2620627, 4056587, 7861881, 12169761, 18344389, 23585643, 28396109, 36509283, 55033167, 85188327, 165099501, 255564981, 296130851, 888392553, 2072915957, 2665177659, 6218747871, 18656243613]

約数ペア:

[(1, 18656243613), (3, 6218747871), (7, 2665177659), (9, 2072915957), (21, 888392553), (63, 296130851), (73, 255564981), (113, 165099501), (219, 85188327), (339, 55033167), (511, 36509283), (657, 28396109), (791, 23585643), (1017, 18344389), (1533, 12169761), (2373, 7861881), (4599, 4056587), (7119, 2620627), (8249, 2261637), (24747, 753879), (35899, 519687), (57743, 323091), (74241, 251293), (107697, 173229)]