17971020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{99839}}^1$

素因数の和:99854

約数の個数: 36

約数和(自身を含む): 54512640

約数和(自身を除く): 36541620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 99839, 199678, 299517, 399356, 499195, 599034, 898551, 998390, 1198068, 1497585, 1797102, 1996780, 2995170, 3594204, 4492755, 5990340, 8985510, 17971020]

約数ペア:

[(1, 17971020), (2, 8985510), (3, 5990340), (4, 4492755), (5, 3594204), (6, 2995170), (9, 1996780), (10, 1797102), (12, 1497585), (15, 1198068), (18, 998390), (20, 898551), (30, 599034), (36, 499195), (45, 399356), (60, 299517), (90, 199678), (180, 99839)]