31887928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{209789}}^1$

素因数の和:209814

約数の個数: 16

約数和(自身を含む): 62937000

約数和(自身を除く): 31049072

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 209789, 419578, 839156, 1678312, 3985991, 7971982, 15943964, 31887928]

約数ペア:

[(1, 31887928), (2, 15943964), (4, 7971982), (8, 3985991), (19, 1678312), (38, 839156), (76, 419578), (152, 209789)]