18775971

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{5779}}^1$

素因数の和:5823

約数の個数: 18

約数和(自身を含む): 28628340

約数和(自身を除く): 9852369

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 5779, 17337, 52011, 109801, 329403, 988209, 2086219, 6258657, 18775971]

約数ペア:

[(1, 18775971), (3, 6258657), (9, 2086219), (19, 988209), (57, 329403), (171, 109801), (361, 52011), (1083, 17337), (3249, 5779)]