19131490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{811}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 39521664

約数和(自身を除く): 20390174

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 337, 674, 811, 1622, 1685, 2359, 3370, 4055, 4718, 5677, 8110, 11354, 11795, 23590, 28385, 56770, 273307, 546614, 1366535, 1913149, 2733070, 3826298, 9565745, 19131490]

約数ペア:

[(1, 19131490), (2, 9565745), (5, 3826298), (7, 2733070), (10, 1913149), (14, 1366535), (35, 546614), (70, 273307), (337, 56770), (674, 28385), (811, 23590), (1622, 11795), (1685, 11354), (2359, 8110), (3370, 5677), (4055, 4718)]