19942706

素因数分解:

$2^1\times 7^4\times {\mathrm{4153}}^1$

素因数の和:4183

約数の個数: 20

約数和(自身を含む): 34906062

約数和(自身を除く): 14963356

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4153, 4802, 8306, 29071, 58142, 203497, 406994, 1424479, 2848958, 9971353, 19942706]

約数ペア:

[(1, 19942706), (2, 9971353), (7, 2848958), (14, 1424479), (49, 406994), (98, 203497), (343, 58142), (686, 29071), (2401, 8306), (4153, 4802)]