19705181

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1036

約数の個数: 16

約数和(自身を含む): 21980160

約数和(自身を除く): 2274979

約数列:

[1, 23, 29, 31, 667, 713, 899, 953, 20677, 21919, 27637, 29543, 635651, 679489, 856747, 19705181]

約数ペア:

[(1, 19705181), (23, 856747), (29, 679489), (31, 635651), (667, 29543), (713, 27637), (899, 21919), (953, 20677)]