19882310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{647}}^1$

素因数の和:1100

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 21174970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 439, 647, 878, 1294, 2195, 3073, 3235, 4390, 4529, 6146, 6470, 9058, 15365, 22645, 30730, 45290, 284033, 568066, 1420165, 1988231, 2840330, 3976462, 9941155, 19882310]

約数ペア:

[(1, 19882310), (2, 9941155), (5, 3976462), (7, 2840330), (10, 1988231), (14, 1420165), (35, 568066), (70, 284033), (439, 45290), (647, 30730), (878, 22645), (1294, 15365), (2195, 9058), (3073, 6470), (3235, 6146), (4390, 4529)]