19252660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137519}}^1$

素因数の和:137535

約数の個数: 24

約数和(自身を含む): 46206720

約数和(自身を除く): 26954060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137519, 275038, 550076, 687595, 962633, 1375190, 1925266, 2750380, 3850532, 4813165, 9626330, 19252660]

約数ペア:

[(1, 19252660), (2, 9626330), (4, 4813165), (5, 3850532), (7, 2750380), (10, 1925266), (14, 1375190), (20, 962633), (28, 687595), (35, 550076), (70, 275038), (140, 137519)]