16989553

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{919}}^1$

素因数の和:1084

約数の個数: 16

約数和(自身を含む): 20608000

約数和(自身を除く): 3618447

約数列:

[1, 7, 19, 133, 139, 919, 973, 2641, 6433, 17461, 18487, 122227, 127741, 894187, 2427079, 16989553]

約数ペア:

[(1, 16989553), (7, 2427079), (19, 894187), (133, 127741), (139, 122227), (919, 18487), (973, 17461), (2641, 6433)]