19961914

素因数分解:

$2^1\times 7^4\times {\mathrm{4157}}^1$

素因数の和:4187

約数の個数: 20

約数和(自身を含む): 34939674

約数和(自身を除く): 14977760

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4157, 4802, 8314, 29099, 58198, 203693, 407386, 1425851, 2851702, 9980957, 19961914]

約数ペア:

[(1, 19961914), (2, 9980957), (7, 2851702), (14, 1425851), (49, 407386), (98, 203693), (343, 58198), (686, 29099), (2401, 8314), (4157, 4802)]