18880836

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{953}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 47867904

約数和(自身を除く): 28987068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 254, 381, 508, 762, 953, 1524, 1651, 1906, 2859, 3302, 3812, 4953, 5718, 6604, 9906, 11436, 12389, 19812, 24778, 37167, 49556, 74334, 121031, 148668, 242062, 363093, 484124, 726186, 1452372, 1573403, 3146806, 4720209, 6293612, 9440418, 18880836]

約数ペア:

[(1, 18880836), (2, 9440418), (3, 6293612), (4, 4720209), (6, 3146806), (12, 1573403), (13, 1452372), (26, 726186), (39, 484124), (52, 363093), (78, 242062), (127, 148668), (156, 121031), (254, 74334), (381, 49556), (508, 37167), (762, 24778), (953, 19812), (1524, 12389), (1651, 11436), (1906, 9906), (2859, 6604), (3302, 5718), (3812, 4953)]