18988662

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1787}}^1$

素因数の和:1833

約数の個数: 64

約数和(自身を含む): 49434624

約数和(自身を除く): 30445962

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 42, 46, 66, 69, 77, 138, 154, 161, 231, 253, 322, 462, 483, 506, 759, 966, 1518, 1771, 1787, 3542, 3574, 5313, 5361, 10626, 10722, 12509, 19657, 25018, 37527, 39314, 41101, 58971, 75054, 82202, 117942, 123303, 137599, 246606, 275198, 287707, 412797, 452111, 575414, 825594, 863121, 904222, 1356333, 1726242, 2712666, 3164777, 6329554, 9494331, 18988662]

約数ペア:

[(1, 18988662), (2, 9494331), (3, 6329554), (6, 3164777), (7, 2712666), (11, 1726242), (14, 1356333), (21, 904222), (22, 863121), (23, 825594), (33, 575414), (42, 452111), (46, 412797), (66, 287707), (69, 275198), (77, 246606), (138, 137599), (154, 123303), (161, 117942), (231, 82202), (253, 75054), (322, 58971), (462, 41101), (483, 39314), (506, 37527), (759, 25018), (966, 19657), (1518, 12509), (1771, 10722), (1787, 10626), (3542, 5361), (3574, 5313)]