19892908

素因数分解:

$2^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1979}}^1$

素因数の和:2349

約数の個数: 24

約数和(自身を含む): 39916800

約数和(自身を除く): 20023892

約数列:

[1, 2, 4, 7, 14, 28, 359, 718, 1436, 1979, 2513, 3958, 5026, 7916, 10052, 13853, 27706, 55412, 710461, 1420922, 2841844, 4973227, 9946454, 19892908]

約数ペア:

[(1, 19892908), (2, 9946454), (4, 4973227), (7, 2841844), (14, 1420922), (28, 710461), (359, 55412), (718, 27706), (1436, 13853), (1979, 10052), (2513, 7916), (3958, 5026)]