18679991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{523}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 21731328

約数和(自身を除く): 3051337

約数列:

[1, 11, 17, 187, 191, 523, 2101, 3247, 5753, 8891, 35717, 97801, 99893, 1098823, 1698181, 18679991]

約数ペア:

[(1, 18679991), (11, 1698181), (17, 1098823), (187, 99893), (191, 97801), (523, 35717), (2101, 8891), (3247, 5753)]