18577197

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 28056600

約数和(自身を除く): 9479403

約数列:

[1, 3, 9, 29, 87, 109, 261, 327, 653, 981, 1959, 3161, 5877, 9483, 18937, 28449, 56811, 71177, 170433, 213531, 640593, 2064133, 6192399, 18577197]

約数ペア:

[(1, 18577197), (3, 6192399), (9, 2064133), (29, 640593), (87, 213531), (109, 170433), (261, 71177), (327, 56811), (653, 28449), (981, 18937), (1959, 9483), (3161, 5877)]