18903422590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4027}}^1\times {\mathrm{36109}}^1$

素因数の和:40156

約数の個数: 32

約数和(自身を含む): 36653672160

約数和(自身を除く): 17750249570

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 4027, 8054, 20135, 36109, 40270, 52351, 72218, 104702, 180545, 261755, 361090, 469417, 523510, 938834, 2347085, 4694170, 145410943, 290821886, 727054715, 1454109430, 1890342259, 3780684518, 9451711295, 18903422590]

約数ペア:

[(1, 18903422590), (2, 9451711295), (5, 3780684518), (10, 1890342259), (13, 1454109430), (26, 727054715), (65, 290821886), (130, 145410943), (4027, 4694170), (8054, 2347085), (20135, 938834), (36109, 523510), (40270, 469417), (52351, 361090), (72218, 261755), (104702, 180545)]