18465020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131893}}^1$

素因数の和:131909

約数の個数: 24

約数和(自身を含む): 44316384

約数和(自身を除く): 25851364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 131893, 263786, 527572, 659465, 923251, 1318930, 1846502, 2637860, 3693004, 4616255, 9232510, 18465020]

約数ペア:

[(1, 18465020), (2, 9232510), (4, 4616255), (5, 3693004), (7, 2637860), (10, 1846502), (14, 1318930), (20, 923251), (28, 659465), (35, 527572), (70, 263786), (140, 131893)]