19869681

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{1021}}^1$

素因数の和:1536

約数の個数: 16

約数和(自身を含む): 28616000

約数和(自身を除く): 8746319

約数列:

[1, 3, 13, 39, 499, 1021, 1497, 3063, 6487, 13273, 19461, 39819, 509479, 1528437, 6623227, 19869681]

約数ペア:

[(1, 19869681), (3, 6623227), (13, 1528437), (39, 509479), (499, 39819), (1021, 19461), (1497, 13273), (3063, 6487)]