19955268

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4297}}^1$

素因数の和:4353

約数の個数: 48

約数和(自身を含む): 52951360

約数和(自身を除く): 32996092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4297, 4644, 8594, 12891, 17188, 25782, 38673, 51564, 77346, 116019, 154692, 184771, 232038, 369542, 464076, 554313, 739084, 1108626, 1662939, 2217252, 3325878, 4988817, 6651756, 9977634, 19955268]

約数ペア:

[(1, 19955268), (2, 9977634), (3, 6651756), (4, 4988817), (6, 3325878), (9, 2217252), (12, 1662939), (18, 1108626), (27, 739084), (36, 554313), (43, 464076), (54, 369542), (86, 232038), (108, 184771), (129, 154692), (172, 116019), (258, 77346), (387, 51564), (516, 38673), (774, 25782), (1161, 17188), (1548, 12891), (2322, 8594), (4297, 4644)]