19560730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2713}}^1$

素因数の和:2830

約数の個数: 32

約数和(自身を含む): 40644864

約数和(自身を除く): 21084134

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2713, 3605, 5426, 7210, 13565, 18991, 27130, 37982, 94955, 189910, 279439, 558878, 1397195, 1956073, 2794390, 3912146, 9780365, 19560730]

約数ペア:

[(1, 19560730), (2, 9780365), (5, 3912146), (7, 2794390), (10, 1956073), (14, 1397195), (35, 558878), (70, 279439), (103, 189910), (206, 94955), (515, 37982), (721, 27130), (1030, 18991), (1442, 13565), (2713, 7210), (3605, 5426)]