19815926

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{2549}}^1$

素因数の和:2600

約数の個数: 24

約数和(自身を含む): 33598800

約数和(自身を除く): 13782874

約数列:

[1, 2, 13, 23, 26, 46, 169, 299, 338, 598, 2549, 3887, 5098, 7774, 33137, 58627, 66274, 117254, 430781, 762151, 861562, 1524302, 9907963, 19815926]

約数ペア:

[(1, 19815926), (2, 9907963), (13, 1524302), (23, 861562), (26, 762151), (46, 430781), (169, 117254), (299, 66274), (338, 58627), (598, 33137), (2549, 7774), (3887, 5098)]