19898073

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8951}}^1$

素因数の和:8989

約数の個数: 24

約数和(自身を含む): 32585280

約数和(自身を除く): 12687207

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 8951, 26853, 80559, 116363, 170069, 349089, 510207, 1047267, 1530621, 2210897, 6632691, 19898073]

約数ペア:

[(1, 19898073), (3, 6632691), (9, 2210897), (13, 1530621), (19, 1047267), (39, 510207), (57, 349089), (117, 170069), (171, 116363), (247, 80559), (741, 26853), (2223, 8951)]