19788356

素因数分解:

$2^2\times 7^3\times {\mathrm{14423}}^1$

素因数の和:14448

約数の個数: 24

約数和(自身を含む): 40387200

約数和(自身を除く): 20598844

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 14423, 28846, 57692, 100961, 201922, 403844, 706727, 1413454, 2826908, 4947089, 9894178, 19788356]

約数ペア:

[(1, 19788356), (2, 9894178), (4, 4947089), (7, 2826908), (14, 1413454), (28, 706727), (49, 403844), (98, 201922), (196, 100961), (343, 57692), (686, 28846), (1372, 14423)]