18481167

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 30351360

約数和(自身を除く): 11870193

約数列:

[1, 3, 9, 19, 23, 37, 57, 69, 111, 127, 171, 207, 333, 381, 437, 703, 851, 1143, 1311, 2109, 2413, 2553, 2921, 3933, 4699, 6327, 7239, 7659, 8763, 14097, 16169, 21717, 26289, 42291, 48507, 55499, 89281, 108077, 145521, 166497, 267843, 324231, 499491, 803529, 972693, 2053463, 6160389, 18481167]

約数ペア:

[(1, 18481167), (3, 6160389), (9, 2053463), (19, 972693), (23, 803529), (37, 499491), (57, 324231), (69, 267843), (111, 166497), (127, 145521), (171, 108077), (207, 89281), (333, 55499), (381, 48507), (437, 42291), (703, 26289), (851, 21717), (1143, 16169), (1311, 14097), (2109, 8763), (2413, 7659), (2553, 7239), (2921, 6327), (3933, 4699)]