19515796

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2633}}^1$

素因数の和:2763

約数の個数: 24

約数和(自身を含む): 36507240

約数和(自身を除く): 16991444

約数列:

[1, 2, 4, 17, 34, 68, 109, 218, 436, 1853, 2633, 3706, 5266, 7412, 10532, 44761, 89522, 179044, 286997, 573994, 1147988, 4878949, 9757898, 19515796]

約数ペア:

[(1, 19515796), (2, 9757898), (4, 4878949), (17, 1147988), (34, 573994), (68, 286997), (109, 179044), (218, 89522), (436, 44761), (1853, 10532), (2633, 7412), (3706, 5266)]