18256758

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 42147840

約数和(自身を除く): 23891082

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 97, 114, 127, 194, 247, 254, 291, 381, 494, 582, 741, 762, 1261, 1482, 1651, 1843, 2413, 2522, 3302, 3686, 3783, 4826, 4953, 5529, 7239, 7566, 9906, 11058, 12319, 14478, 23959, 24638, 31369, 36957, 47918, 62738, 71877, 73914, 94107, 143754, 160147, 188214, 234061, 320294, 468122, 480441, 702183, 960882, 1404366, 3042793, 6085586, 9128379, 18256758]

約数ペア:

[(1, 18256758), (2, 9128379), (3, 6085586), (6, 3042793), (13, 1404366), (19, 960882), (26, 702183), (38, 480441), (39, 468122), (57, 320294), (78, 234061), (97, 188214), (114, 160147), (127, 143754), (194, 94107), (247, 73914), (254, 71877), (291, 62738), (381, 47918), (494, 36957), (582, 31369), (741, 24638), (762, 23959), (1261, 14478), (1482, 12319), (1651, 11058), (1843, 9906), (2413, 7566), (2522, 7239), (3302, 5529), (3686, 4953), (3783, 4826)]