18169263

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 32398080

約数和(自身を除く): 14228817

約数列:

[1, 3, 7, 9, 19, 21, 43, 57, 63, 129, 133, 171, 301, 353, 387, 399, 817, 903, 1059, 1197, 2451, 2471, 2709, 3177, 5719, 6707, 7353, 7413, 15179, 17157, 20121, 22239, 45537, 46949, 51471, 60363, 106253, 136611, 140847, 288401, 318759, 422541, 865203, 956277, 2018807, 2595609, 6056421, 18169263]

約数ペア:

[(1, 18169263), (3, 6056421), (7, 2595609), (9, 2018807), (19, 956277), (21, 865203), (43, 422541), (57, 318759), (63, 288401), (129, 140847), (133, 136611), (171, 106253), (301, 60363), (353, 51471), (387, 46949), (399, 45537), (817, 22239), (903, 20121), (1059, 17157), (1197, 15179), (2451, 7413), (2471, 7353), (2709, 6707), (3177, 5719)]