19702928

素因数分解:

$2^4\times 7^1\times {\mathrm{175919}}^1$

素因数の和:175934

約数の個数: 20

約数和(自身を含む): 43628160

約数和(自身を除く): 23925232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 175919, 351838, 703676, 1231433, 1407352, 2462866, 2814704, 4925732, 9851464, 19702928]

約数ペア:

[(1, 19702928), (2, 9851464), (4, 4925732), (7, 2814704), (8, 2462866), (14, 1407352), (16, 1231433), (28, 703676), (56, 351838), (112, 175919)]