19725189

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{1291}}^1$

素因数の和:1768

約数の個数: 16

約数和(自身を含む): 28775424

約数和(自身を除く): 9050235

約数列:

[1, 3, 11, 33, 463, 1291, 1389, 3873, 5093, 14201, 15279, 42603, 597733, 1793199, 6575063, 19725189]

約数ペア:

[(1, 19725189), (3, 6575063), (11, 1793199), (33, 597733), (463, 42603), (1291, 15279), (1389, 14201), (3873, 5093)]