31684894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{19391}}^1$

素因数の和:19455

約数の個数: 16

約数和(自身を含む): 51194880

約数和(自身を除く): 19509986

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 19391, 38782, 368429, 736858, 833813, 1667626, 15842447, 31684894]

約数ペア:

[(1, 31684894), (2, 15842447), (19, 1667626), (38, 833813), (43, 736858), (86, 368429), (817, 38782), (1634, 19391)]