19570329

素因数分解:

$3^4\times {\mathrm{307}}^1\times {\mathrm{787}}^1$

素因数の和:1106

約数の個数: 20

約数和(自身を含む): 29367184

約数和(自身を除く): 9796855

約数列:

[1, 3, 9, 27, 81, 307, 787, 921, 2361, 2763, 7083, 8289, 21249, 24867, 63747, 241609, 724827, 2174481, 6523443, 19570329]

約数ペア:

[(1, 19570329), (3, 6523443), (9, 2174481), (27, 724827), (81, 241609), (307, 63747), (787, 24867), (921, 21249), (2361, 8289), (2763, 7083)]