19244220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7459}}^1$

素因数の和:7514

約数の個数: 48

約数和(自身を含む): 55144320

約数和(自身を除く): 35900100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7459, 14918, 22377, 29836, 37295, 44754, 74590, 89508, 111885, 149180, 223770, 320737, 447540, 641474, 962211, 1282948, 1603685, 1924422, 3207370, 3848844, 4811055, 6414740, 9622110, 19244220]

約数ペア:

[(1, 19244220), (2, 9622110), (3, 6414740), (4, 4811055), (5, 3848844), (6, 3207370), (10, 1924422), (12, 1603685), (15, 1282948), (20, 962211), (30, 641474), (43, 447540), (60, 320737), (86, 223770), (129, 149180), (172, 111885), (215, 89508), (258, 74590), (430, 44754), (516, 37295), (645, 29836), (860, 22377), (1290, 14918), (2580, 7459)]