19870846

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{8863}}^1$

素因数の和:8943

約数の個数: 16

約数和(自身を含む): 31910400

約数和(自身を除く): 12039554

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 8863, 17726, 168397, 336794, 522917, 1045834, 9935423, 19870846]

約数ペア:

[(1, 19870846), (2, 9935423), (19, 1045834), (38, 522917), (59, 336794), (118, 168397), (1121, 17726), (2242, 8863)]