19120509

素因数分解:

$3^3\times {\mathrm{43}}^2\times {\mathrm{383}}^1$

素因数の和:478

約数の個数: 24

約数和(自身を含む): 29076480

約数和(自身を除く): 9955971

約数列:

[1, 3, 9, 27, 43, 129, 383, 387, 1149, 1161, 1849, 3447, 5547, 10341, 16469, 16641, 49407, 49923, 148221, 444663, 708167, 2124501, 6373503, 19120509]

約数ペア:

[(1, 19120509), (3, 6373503), (9, 2124501), (27, 708167), (43, 444663), (129, 148221), (383, 49923), (387, 49407), (1149, 16641), (1161, 16469), (1849, 10341), (3447, 5547)]