18680976

素因数分解:

$2^4\times 3^3\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:621

約数の個数: 80

約数和(自身を含む): 54371520

約数和(自身を除く): 35690544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 83, 108, 144, 166, 216, 249, 332, 432, 498, 521, 664, 747, 996, 1042, 1328, 1494, 1563, 1992, 2084, 2241, 2988, 3126, 3984, 4168, 4482, 4689, 5976, 6252, 8336, 8964, 9378, 11952, 12504, 14067, 17928, 18756, 25008, 28134, 35856, 37512, 43243, 56268, 75024, 86486, 112536, 129729, 172972, 225072, 259458, 345944, 389187, 518916, 691888, 778374, 1037832, 1167561, 1556748, 2075664, 2335122, 3113496, 4670244, 6226992, 9340488, 18680976]

約数ペア:

[(1, 18680976), (2, 9340488), (3, 6226992), (4, 4670244), (6, 3113496), (8, 2335122), (9, 2075664), (12, 1556748), (16, 1167561), (18, 1037832), (24, 778374), (27, 691888), (36, 518916), (48, 389187), (54, 345944), (72, 259458), (83, 225072), (108, 172972), (144, 129729), (166, 112536), (216, 86486), (249, 75024), (332, 56268), (432, 43243), (498, 37512), (521, 35856), (664, 28134), (747, 25008), (996, 18756), (1042, 17928), (1328, 14067), (1494, 12504), (1563, 11952), (1992, 9378), (2084, 8964), (2241, 8336), (2988, 6252), (3126, 5976), (3984, 4689), (4168, 4482)]