18990864

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{3067}}^1$

素因数の和:3124

約数の個数: 60

約数和(自身を含む): 54401776

約数和(自身を除く): 35410912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 1032, 1548, 2064, 3067, 3096, 6134, 6192, 9201, 12268, 18402, 24536, 27603, 36804, 49072, 55206, 73608, 110412, 131881, 147216, 220824, 263762, 395643, 441648, 527524, 791286, 1055048, 1186929, 1582572, 2110096, 2373858, 3165144, 4747716, 6330288, 9495432, 18990864]

約数ペア:

[(1, 18990864), (2, 9495432), (3, 6330288), (4, 4747716), (6, 3165144), (8, 2373858), (9, 2110096), (12, 1582572), (16, 1186929), (18, 1055048), (24, 791286), (36, 527524), (43, 441648), (48, 395643), (72, 263762), (86, 220824), (129, 147216), (144, 131881), (172, 110412), (258, 73608), (344, 55206), (387, 49072), (516, 36804), (688, 27603), (774, 24536), (1032, 18402), (1548, 12268), (2064, 9201), (3067, 6192), (3096, 6134)]