18978462

素因数分解:

$2^1\times 3^4\times {\mathrm{193}}^1\times {\mathrm{607}}^1$

素因数の和:814

約数の個数: 40

約数和(自身を含む): 42816576

約数和(自身を除く): 23838114

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 193, 386, 579, 607, 1158, 1214, 1737, 1821, 3474, 3642, 5211, 5463, 10422, 10926, 15633, 16389, 31266, 32778, 49167, 98334, 117151, 234302, 351453, 702906, 1054359, 2108718, 3163077, 6326154, 9489231, 18978462]

約数ペア:

[(1, 18978462), (2, 9489231), (3, 6326154), (6, 3163077), (9, 2108718), (18, 1054359), (27, 702906), (54, 351453), (81, 234302), (162, 117151), (193, 98334), (386, 49167), (579, 32778), (607, 31266), (1158, 16389), (1214, 15633), (1737, 10926), (1821, 10422), (3474, 5463), (3642, 5211)]