19898312

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2207}}^1$

素因数の和:2250

約数の個数: 48

約数和(自身を含む): 45308160

約数和(自身を除く): 25409848

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 322, 392, 644, 1127, 1288, 2207, 2254, 4414, 4508, 8828, 9016, 15449, 17656, 30898, 50761, 61796, 101522, 108143, 123592, 203044, 216286, 355327, 406088, 432572, 710654, 865144, 1421308, 2487289, 2842616, 4974578, 9949156, 19898312]

約数ペア:

[(1, 19898312), (2, 9949156), (4, 4974578), (7, 2842616), (8, 2487289), (14, 1421308), (23, 865144), (28, 710654), (46, 432572), (49, 406088), (56, 355327), (92, 216286), (98, 203044), (161, 123592), (184, 108143), (196, 101522), (322, 61796), (392, 50761), (644, 30898), (1127, 17656), (1288, 15449), (2207, 9016), (2254, 8828), (4414, 4508)]