2019988654

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{11597}}^1$

素因数の和:11772

約数の個数: 32

約数和(自身を含む): 3306821760

約数和(自身を除く): 1286833106

約数列:

[1, 2, 17, 34, 47, 94, 109, 218, 799, 1598, 1853, 3706, 5123, 10246, 11597, 23194, 87091, 174182, 197149, 394298, 545059, 1090118, 1264073, 2528146, 9266003, 18532006, 21489241, 42978482, 59411431, 118822862, 1009994327, 2019988654]

約数ペア:

[(1, 2019988654), (2, 1009994327), (17, 118822862), (34, 59411431), (47, 42978482), (94, 21489241), (109, 18532006), (218, 9266003), (799, 2528146), (1598, 1264073), (1853, 1090118), (3706, 545059), (5123, 394298), (10246, 197149), (11597, 174182), (23194, 87091)]