18419778

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1424

約数の個数: 64

約数和(自身を含む): 46435200

約数和(自身を除く): 28015422

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 114, 117, 171, 234, 247, 342, 351, 494, 513, 702, 741, 1026, 1381, 1482, 2223, 2762, 4143, 4446, 6669, 8286, 12429, 13338, 17953, 24858, 26239, 35906, 37287, 52478, 53859, 74574, 78717, 107718, 157434, 161577, 236151, 323154, 341107, 472302, 484731, 682214, 708453, 969462, 1023321, 1416906, 2046642, 3069963, 6139926, 9209889, 18419778]

約数ペア:

[(1, 18419778), (2, 9209889), (3, 6139926), (6, 3069963), (9, 2046642), (13, 1416906), (18, 1023321), (19, 969462), (26, 708453), (27, 682214), (38, 484731), (39, 472302), (54, 341107), (57, 323154), (78, 236151), (114, 161577), (117, 157434), (171, 107718), (234, 78717), (247, 74574), (342, 53859), (351, 52478), (494, 37287), (513, 35906), (702, 26239), (741, 24858), (1026, 17953), (1381, 13338), (1482, 12429), (2223, 8286), (2762, 6669), (4143, 4446)]