2019912838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{356749}}^1$

素因数の和:356919

約数の個数: 16

約数和(自身を含む): 3210750000

約数和(自身を除く): 1190837162

約数列:

[1, 2, 19, 38, 149, 298, 2831, 5662, 356749, 713498, 6778231, 13556462, 53155601, 106311202, 1009956419, 2019912838]

約数ペア:

[(1, 2019912838), (2, 1009956419), (19, 106311202), (38, 53155601), (149, 13556462), (298, 6778231), (2831, 713498), (5662, 356749)]