1800990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{20011}}^1$

素因数の和:20024

約数の個数: 24

約数和(自身を含む): 4682808

約数和(自身を除く): 2881818

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 20011, 40022, 60033, 100055, 120066, 180099, 200110, 300165, 360198, 600330, 900495, 1800990]

約数ペア:

[(1, 1800990), (2, 900495), (3, 600330), (5, 360198), (6, 300165), (9, 200110), (10, 180099), (15, 120066), (18, 100055), (30, 60033), (45, 40022), (90, 20011)]