19676860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140549}}^1$

素因数の和:140565

約数の個数: 24

約数和(自身を含む): 47224800

約数和(自身を除く): 27547940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140549, 281098, 562196, 702745, 983843, 1405490, 1967686, 2810980, 3935372, 4919215, 9838430, 19676860]

約数ペア:

[(1, 19676860), (2, 9838430), (4, 4919215), (5, 3935372), (7, 2810980), (10, 1967686), (14, 1405490), (20, 983843), (28, 702745), (35, 562196), (70, 281098), (140, 140549)]