181320838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{11071}}^1$

素因数の和:11523

約数の個数: 16

約数和(自身を含む): 286986240

約数和(自身を除く): 105665402

約数列:

[1, 2, 19, 38, 431, 862, 8189, 11071, 16378, 22142, 210349, 420698, 4771601, 9543202, 90660419, 181320838]

約数ペア:

[(1, 181320838), (2, 90660419), (19, 9543202), (38, 4771601), (431, 420698), (862, 210349), (8189, 22142), (11071, 16378)]