19976144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2857}}^1$

素因数の和:2907

約数の個数: 40

約数和(自身を含む): 42527040

約数和(自身を除く): 22550896

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 2857, 3496, 5714, 6992, 11428, 22856, 45712, 54283, 65711, 108566, 131422, 217132, 262844, 434264, 525688, 868528, 1051376, 1248509, 2497018, 4994036, 9988072, 19976144]

約数ペア:

[(1, 19976144), (2, 9988072), (4, 4994036), (8, 2497018), (16, 1248509), (19, 1051376), (23, 868528), (38, 525688), (46, 434264), (76, 262844), (92, 217132), (152, 131422), (184, 108566), (304, 65711), (368, 54283), (437, 45712), (874, 22856), (1748, 11428), (2857, 6992), (3496, 5714)]