30881156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{406331}}^1$

素因数の和:406354

約数の個数: 12

約数和(自身を含む): 56886480

約数和(自身を除く): 26005324

約数列:

[1, 2, 4, 19, 38, 76, 406331, 812662, 1625324, 7720289, 15440578, 30881156]

約数ペア:

[(1, 30881156), (2, 15440578), (4, 7720289), (19, 1625324), (38, 812662), (76, 406331)]