1800000016

素因数分解:

$2^4\times {\mathrm{12841}}^1\times {\mathrm{8761}}^1$

素因数の和:21610

約数の個数: 20

約数和(自身を含む): 3488169724

約数和(自身を除く): 1688169708

約数列:

[1, 2, 4, 8, 16, 8761, 12841, 17522, 25682, 35044, 51364, 70088, 102728, 140176, 205456, 112500001, 225000002, 450000004, 900000008, 1800000016]

約数ペア:

[(1, 1800000016), (2, 900000008), (4, 450000004), (8, 225000002), (16, 112500001), (8761, 205456), (12841, 140176), (17522, 102728), (25682, 70088), (35044, 51364)]