19857070

素因数分解:

$2^1\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{1531}}^1$

素因数の和:2835

約数の個数: 16

約数和(自身を含む): 35793648

約数和(自身を除く): 15936578

約数列:

[1, 2, 5, 10, 1297, 1531, 2594, 3062, 6485, 7655, 12970, 15310, 1985707, 3971414, 9928535, 19857070]

約数ペア:

[(1, 19857070), (2, 9928535), (5, 3971414), (10, 1985707), (1297, 15310), (1531, 12970), (2594, 7655), (3062, 6485)]