19962151655

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{51043}}^1$

素因数の和:51215

約数の個数: 32

約数和(自身を含む): 26196597504

約数和(自身を除く): 6234445849

約数列:

[1, 5, 17, 43, 85, 107, 215, 535, 731, 1819, 3655, 4601, 9095, 23005, 51043, 78217, 255215, 391085, 867731, 2194849, 4338655, 5461601, 10974245, 27308005, 37312433, 92847217, 186562165, 234848843, 464236085, 1174244215, 3992430331, 19962151655]

約数ペア:

[(1, 19962151655), (5, 3992430331), (17, 1174244215), (43, 464236085), (85, 234848843), (107, 186562165), (215, 92847217), (535, 37312433), (731, 27308005), (1819, 10974245), (3655, 5461601), (4601, 4338655), (9095, 2194849), (23005, 867731), (51043, 391085), (78217, 255215)]