19088181

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4967}}^1$

素因数の和:5041

約数の個数: 24

約数和(自身を含む): 32033664

約数和(自身を除く): 12945483

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 4967, 14901, 34769, 44703, 104307, 302987, 312921, 908961, 2120909, 2726883, 6362727, 19088181]

約数ペア:

[(1, 19088181), (3, 6362727), (7, 2726883), (9, 2120909), (21, 908961), (61, 312921), (63, 302987), (183, 104307), (427, 44703), (549, 34769), (1281, 14901), (3843, 4967)]