18638670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{621289}}^1$

素因数の和:621299

約数の個数: 16

約数和(自身を含む): 44732880

約数和(自身を除く): 26094210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 621289, 1242578, 1863867, 3106445, 3727734, 6212890, 9319335, 18638670]

約数ペア:

[(1, 18638670), (2, 9319335), (3, 6212890), (5, 3727734), (6, 3106445), (10, 1863867), (15, 1242578), (30, 621289)]