18922878

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 44488080

約数和(自身を除く): 25565202

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 193, 234, 386, 419, 579, 838, 1158, 1257, 1737, 2509, 2514, 3474, 3771, 5018, 5447, 7527, 7542, 10894, 15054, 16341, 22581, 32682, 45162, 49023, 80867, 98046, 161734, 242601, 485202, 727803, 1051271, 1455606, 2102542, 3153813, 6307626, 9461439, 18922878]

約数ペア:

[(1, 18922878), (2, 9461439), (3, 6307626), (6, 3153813), (9, 2102542), (13, 1455606), (18, 1051271), (26, 727803), (39, 485202), (78, 242601), (117, 161734), (193, 98046), (234, 80867), (386, 49023), (419, 45162), (579, 32682), (838, 22581), (1158, 16341), (1257, 15054), (1737, 10894), (2509, 7542), (2514, 7527), (3474, 5447), (3771, 5018)]