19268620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137633}}^1$

素因数の和:137649

約数の個数: 24

約数和(自身を含む): 46245024

約数和(自身を除く): 26976404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137633, 275266, 550532, 688165, 963431, 1376330, 1926862, 2752660, 3853724, 4817155, 9634310, 19268620]

約数ペア:

[(1, 19268620), (2, 9634310), (4, 4817155), (5, 3853724), (7, 2752660), (10, 1926862), (14, 1376330), (20, 963431), (28, 688165), (35, 550532), (70, 275266), (140, 137633)]