18391608

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1627}}^1$

素因数の和:1796

約数の個数: 48

約数和(自身を含む): 50158680

約数和(自身を除く): 31767072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1627, 1884, 2826, 3254, 3768, 4881, 5652, 6508, 9762, 11304, 13016, 14643, 19524, 29286, 39048, 58572, 117144, 255439, 510878, 766317, 1021756, 1532634, 2043512, 2298951, 3065268, 4597902, 6130536, 9195804, 18391608]

約数ペア:

[(1, 18391608), (2, 9195804), (3, 6130536), (4, 4597902), (6, 3065268), (8, 2298951), (9, 2043512), (12, 1532634), (18, 1021756), (24, 766317), (36, 510878), (72, 255439), (157, 117144), (314, 58572), (471, 39048), (628, 29286), (942, 19524), (1256, 14643), (1413, 13016), (1627, 11304), (1884, 9762), (2826, 6508), (3254, 5652), (3768, 4881)]