19914213

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{20809}}^1$

素因数の和:20852

約数の個数: 16

約数和(自身を含む): 29966400

約数和(自身を除く): 10052187

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 20809, 62427, 228899, 603461, 686697, 1810383, 6638071, 19914213]

約数ペア:

[(1, 19914213), (3, 6638071), (11, 1810383), (29, 686697), (33, 603461), (87, 228899), (319, 62427), (957, 20809)]