19813444

素因数分解:

$2^2\times 7^2\times {\mathrm{101089}}^1$

素因数の和:101107

約数の個数: 18

約数和(自身を含む): 40334910

約数和(自身を除く): 20521466

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 101089, 202178, 404356, 707623, 1415246, 2830492, 4953361, 9906722, 19813444]

約数ペア:

[(1, 19813444), (2, 9906722), (4, 4953361), (7, 2830492), (14, 1415246), (28, 707623), (49, 404356), (98, 202178), (196, 101089)]