19872710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1069}}^1$

素因数の和:1113

約数の個数: 48

約数和(自身を含む): 42294960

約数和(自身を除く): 22422250

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 169, 286, 338, 715, 845, 1069, 1430, 1690, 1859, 2138, 3718, 5345, 9295, 10690, 11759, 13897, 18590, 23518, 27794, 58795, 69485, 117590, 138970, 152867, 180661, 305734, 361322, 764335, 903305, 1528670, 1806610, 1987271, 3974542, 9936355, 19872710]

約数ペア:

[(1, 19872710), (2, 9936355), (5, 3974542), (10, 1987271), (11, 1806610), (13, 1528670), (22, 903305), (26, 764335), (55, 361322), (65, 305734), (110, 180661), (130, 152867), (143, 138970), (169, 117590), (286, 69485), (338, 58795), (715, 27794), (845, 23518), (1069, 18590), (1430, 13897), (1690, 11759), (1859, 10690), (2138, 9295), (3718, 5345)]