18917701

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 21265920

約数和(自身を除く): 2348219

約数列:

[1, 11, 59, 103, 283, 649, 1133, 3113, 6077, 16697, 29149, 66847, 183667, 320639, 1719791, 18917701]

約数ペア:

[(1, 18917701), (11, 1719791), (59, 320639), (103, 183667), (283, 66847), (649, 29149), (1133, 16697), (3113, 6077)]