19795804

素因数分解:

$2^2\times 7^2\times {\mathrm{100999}}^1$

素因数の和:101017

約数の個数: 18

約数和(自身を含む): 40299000

約数和(自身を除く): 20503196

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 100999, 201998, 403996, 706993, 1413986, 2827972, 4948951, 9897902, 19795804]

約数ペア:

[(1, 19795804), (2, 9897902), (4, 4948951), (7, 2827972), (14, 1413986), (28, 706993), (49, 403996), (98, 201998), (196, 100999)]