18931266

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 44605440

約数和(自身を除く): 25674174

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 43, 54, 62, 86, 93, 129, 186, 258, 263, 279, 387, 526, 558, 774, 789, 837, 1161, 1333, 1578, 1674, 2322, 2367, 2666, 3999, 4734, 7101, 7998, 8153, 11309, 11997, 14202, 16306, 22618, 23994, 24459, 33927, 35991, 48918, 67854, 71982, 73377, 101781, 146754, 203562, 220131, 305343, 350579, 440262, 610686, 701158, 1051737, 2103474, 3155211, 6310422, 9465633, 18931266]

約数ペア:

[(1, 18931266), (2, 9465633), (3, 6310422), (6, 3155211), (9, 2103474), (18, 1051737), (27, 701158), (31, 610686), (43, 440262), (54, 350579), (62, 305343), (86, 220131), (93, 203562), (129, 146754), (186, 101781), (258, 73377), (263, 71982), (279, 67854), (387, 48918), (526, 35991), (558, 33927), (774, 24459), (789, 23994), (837, 22618), (1161, 16306), (1333, 14202), (1578, 11997), (1674, 11309), (2322, 8153), (2367, 7998), (2666, 7101), (3999, 4734)]