19945924271

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{108347}}^1$

素因数の和:108408

約数の個数: 36

約数和(自身を含む): 26543743128

約数和(自身を除く): 6597818857

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 289, 637, 833, 1547, 2023, 3757, 10829, 14161, 26299, 108347, 184093, 758429, 1408511, 1841899, 5309003, 9859577, 12893293, 23944687, 31312283, 69017039, 90253051, 167612809, 219185981, 407059679, 1173289663, 1534301867, 2849417753, 19945924271]

約数ペア:

[(1, 19945924271), (7, 2849417753), (13, 1534301867), (17, 1173289663), (49, 407059679), (91, 219185981), (119, 167612809), (221, 90253051), (289, 69017039), (637, 31312283), (833, 23944687), (1547, 12893293), (2023, 9859577), (3757, 5309003), (10829, 1841899), (14161, 1408511), (26299, 758429), (108347, 184093)]