18742510

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21059}}^1$

素因数の和:21155

約数の個数: 16

約数和(自身を含む): 34117200

約数和(自身を除く): 15374690

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 21059, 42118, 105295, 210590, 1874251, 3748502, 9371255, 18742510]

約数ペア:

[(1, 18742510), (2, 9371255), (5, 3748502), (10, 1874251), (89, 210590), (178, 105295), (445, 42118), (890, 21059)]