18078177

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 28241920

約数和(自身を除く): 10163743

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 741, 787, 1209, 1767, 2361, 7657, 10231, 14953, 22971, 24397, 30693, 44859, 73191, 194389, 317161, 463543, 583167, 951483, 1390629, 6026059, 18078177]

約数ペア:

[(1, 18078177), (3, 6026059), (13, 1390629), (19, 951483), (31, 583167), (39, 463543), (57, 317161), (93, 194389), (247, 73191), (403, 44859), (589, 30693), (741, 24397), (787, 22971), (1209, 14953), (1767, 10231), (2361, 7657)]