1991186210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15316817}}^1$

素因数の和:15316837

約数の個数: 16

約数和(自身を含む): 3859838136

約数和(自身を除く): 1868651926

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 15316817, 30633634, 76584085, 153168170, 199118621, 398237242, 995593105, 1991186210]

約数ペア:

[(1, 1991186210), (2, 995593105), (5, 398237242), (10, 199118621), (13, 153168170), (26, 76584085), (65, 30633634), (130, 15316817)]