18716168

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 36106560

約数和(自身を除く): 17390392

約数列:

[1, 2, 4, 8, 71, 83, 142, 166, 284, 332, 397, 568, 664, 794, 1588, 3176, 5893, 11786, 23572, 28187, 32951, 47144, 56374, 65902, 112748, 131804, 225496, 263608, 2339521, 4679042, 9358084, 18716168]

約数ペア:

[(1, 18716168), (2, 9358084), (4, 4679042), (8, 2339521), (71, 263608), (83, 225496), (142, 131804), (166, 112748), (284, 65902), (332, 56374), (397, 47144), (568, 32951), (664, 28187), (794, 23572), (1588, 11786), (3176, 5893)]