81005018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{11909}}^1$

素因数の和:12109

約数の個数: 16

約数和(自身を含む): 128628000

約数和(自身を除く): 47622982

約数列:

[1, 2, 19, 38, 179, 358, 3401, 6802, 11909, 23818, 226271, 452542, 2131711, 4263422, 40502509, 81005018]

約数ペア:

[(1, 81005018), (2, 40502509), (19, 4263422), (38, 2131711), (179, 452542), (358, 226271), (3401, 23818), (6802, 11909)]