18948254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23509}}^1$

素因数の和:23555

約数の個数: 16

約数和(自身を含む): 31597440

約数和(自身を除く): 12649186

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 23509, 47018, 305617, 611234, 728779, 1457558, 9474127, 18948254]

約数ペア:

[(1, 18948254), (2, 9474127), (13, 1457558), (26, 728779), (31, 611234), (62, 305617), (403, 47018), (806, 23509)]