19897009748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64600681}}^1$

素因数の和:64600703

約数の個数: 24

約数和(自身を含む): 43411658304

約数和(自身を除く): 23514648556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 64600681, 129201362, 258402724, 452204767, 710607491, 904409534, 1421214982, 1808819068, 2842429964, 4974252437, 9948504874, 19897009748]

約数ペア:

[(1, 19897009748), (2, 9948504874), (4, 4974252437), (7, 2842429964), (11, 1808819068), (14, 1421214982), (22, 904409534), (28, 710607491), (44, 452204767), (77, 258402724), (154, 129201362), (308, 64600681)]