19668180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{46829}}^1$

素因数の和:46848

約数の個数: 48

約数和(自身を含む): 62939520

約数和(自身を除く): 43271340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 46829, 93658, 140487, 187316, 234145, 280974, 327803, 468290, 561948, 655606, 702435, 936580, 983409, 1311212, 1404870, 1639015, 1966818, 2809740, 3278030, 3933636, 4917045, 6556060, 9834090, 19668180]

約数ペア:

[(1, 19668180), (2, 9834090), (3, 6556060), (4, 4917045), (5, 3933636), (6, 3278030), (7, 2809740), (10, 1966818), (12, 1639015), (14, 1404870), (15, 1311212), (20, 983409), (21, 936580), (28, 702435), (30, 655606), (35, 561948), (42, 468290), (60, 327803), (70, 280974), (84, 234145), (105, 187316), (140, 140487), (210, 93658), (420, 46829)]