19627090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1091}}^1$

素因数の和:1362

約数の個数: 32

約数和(自身を含む): 40569984

約数和(自身を除く): 20942894

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1091, 1285, 1799, 2182, 2570, 3598, 5455, 7637, 8995, 10910, 15274, 17990, 38185, 76370, 280387, 560774, 1401935, 1962709, 2803870, 3925418, 9813545, 19627090]

約数ペア:

[(1, 19627090), (2, 9813545), (5, 3925418), (7, 2803870), (10, 1962709), (14, 1401935), (35, 560774), (70, 280387), (257, 76370), (514, 38185), (1091, 17990), (1285, 15274), (1799, 10910), (2182, 8995), (2570, 7637), (3598, 5455)]