16991388

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{20521}}^1$

素因数の和:20554

約数の個数: 36

約数和(自身を含む): 44820048

約数和(自身を除く): 27828660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 20521, 41042, 61563, 82084, 123126, 184689, 246252, 369378, 471983, 738756, 943966, 1415949, 1887932, 2831898, 4247847, 5663796, 8495694, 16991388]

約数ペア:

[(1, 16991388), (2, 8495694), (3, 5663796), (4, 4247847), (6, 2831898), (9, 1887932), (12, 1415949), (18, 943966), (23, 738756), (36, 471983), (46, 369378), (69, 246252), (92, 184689), (138, 123126), (207, 82084), (276, 61563), (414, 41042), (828, 20521)]