18874115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2089}}^1$

素因数の和:2246

約数の個数: 16

約数和(自身を含む): 24578400

約数和(自身を除く): 5704285

約数列:

[1, 5, 13, 65, 139, 695, 1807, 2089, 9035, 10445, 27157, 135785, 290371, 1451855, 3774823, 18874115]

約数ペア:

[(1, 18874115), (5, 3774823), (13, 1451855), (65, 290371), (139, 135785), (695, 27157), (1807, 10445), (2089, 9035)]