2019291981

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3101831}}^1$

素因数の和:3101872

約数の個数: 16

約数和(自身を含む): 3176275968

約数和(自身を除く): 1156983987

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 3101831, 9305493, 21712817, 65138451, 96156761, 288470283, 673097327, 2019291981]

約数ペア:

[(1, 2019291981), (3, 673097327), (7, 288470283), (21, 96156761), (31, 65138451), (93, 21712817), (217, 9305493), (651, 3101831)]