19792690988

素因数分解:

$2^2\times 7^1\times {\mathrm{821}}^1\times {\mathrm{861001}}^1$

素因数の和:861833

約数の個数: 24

約数和(自身を含む): 39633644064

約数和(自身を除く): 19840953076

約数列:

[1, 2, 4, 7, 14, 28, 821, 1642, 3284, 5747, 11494, 22988, 861001, 1722002, 3444004, 6027007, 12054014, 24108028, 706881821, 1413763642, 2827527284, 4948172747, 9896345494, 19792690988]

約数ペア:

[(1, 19792690988), (2, 9896345494), (4, 4948172747), (7, 2827527284), (14, 1413763642), (28, 706881821), (821, 24108028), (1642, 12054014), (3284, 6027007), (5747, 3444004), (11494, 1722002), (22988, 861001)]