19966001

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1489}}^1$

素因数の和:1576

約数の個数: 16

約数和(自身を含む): 23172480

約数和(自身を除く): 3206479

約数列:

[1, 11, 23, 53, 253, 583, 1219, 1489, 13409, 16379, 34247, 78917, 376717, 868087, 1815091, 19966001]

約数ペア:

[(1, 19966001), (11, 1815091), (23, 868087), (53, 376717), (253, 78917), (583, 34247), (1219, 16379), (1489, 13409)]