19996828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{719}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 37195200

約数和(自身を除く): 17198372

約数列:

[1, 2, 4, 17, 34, 68, 409, 719, 818, 1438, 1636, 2876, 6953, 12223, 13906, 24446, 27812, 48892, 294071, 588142, 1176284, 4999207, 9998414, 19996828]

約数ペア:

[(1, 19996828), (2, 9998414), (4, 4999207), (17, 1176284), (34, 588142), (68, 294071), (409, 48892), (719, 27812), (818, 24446), (1438, 13906), (1636, 12223), (2876, 6953)]