31985018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{64747}}^1$

素因数の和:64781

約数の個数: 16

約数和(自身を含む): 54388320

約数和(自身を除く): 22403302

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 64747, 129494, 841711, 1230193, 1683422, 2460386, 15992509, 31985018]

約数ペア:

[(1, 31985018), (2, 15992509), (13, 2460386), (19, 1683422), (26, 1230193), (38, 841711), (247, 129494), (494, 64747)]