19050591

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 31986944

約数和(自身を除く): 12936353

約数列:

[1, 3, 7, 17, 21, 43, 51, 73, 119, 129, 219, 289, 301, 357, 511, 731, 867, 903, 1241, 1533, 2023, 2193, 3139, 3723, 5117, 6069, 8687, 9417, 12427, 15351, 21097, 21973, 26061, 37281, 53363, 63291, 65919, 86989, 147679, 160089, 260967, 373541, 443037, 907171, 1120623, 2721513, 6350197, 19050591]

約数ペア:

[(1, 19050591), (3, 6350197), (7, 2721513), (17, 1120623), (21, 907171), (43, 443037), (51, 373541), (73, 260967), (119, 160089), (129, 147679), (219, 86989), (289, 65919), (301, 63291), (357, 53363), (511, 37281), (731, 26061), (867, 21973), (903, 21097), (1241, 15351), (1533, 12427), (2023, 9417), (2193, 8687), (3139, 6069), (3723, 5117)]