19704812

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 35266560

約数和(自身を除く): 15561748

約数列:

[1, 2, 4, 79, 127, 158, 254, 316, 491, 508, 982, 1964, 10033, 20066, 38789, 40132, 62357, 77578, 124714, 155156, 249428, 4926203, 9852406, 19704812]

約数ペア:

[(1, 19704812), (2, 9852406), (4, 4926203), (79, 249428), (127, 155156), (158, 124714), (254, 77578), (316, 62357), (491, 40132), (508, 38789), (982, 20066), (1964, 10033)]