19916044

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2687}}^1$

素因数の和:2817

約数の個数: 24

約数和(自身を含む): 37255680

約数和(自身を除く): 17339636

約数列:

[1, 2, 4, 17, 34, 68, 109, 218, 436, 1853, 2687, 3706, 5374, 7412, 10748, 45679, 91358, 182716, 292883, 585766, 1171532, 4979011, 9958022, 19916044]

約数ペア:

[(1, 19916044), (2, 9958022), (4, 4979011), (17, 1171532), (34, 585766), (68, 292883), (109, 182716), (218, 91358), (436, 45679), (1853, 10748), (2687, 7412), (3706, 5374)]