19470969

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1451}}^1$

素因数の和:1538

約数の個数: 32

約数和(自身を含む): 33454080

約数和(自身を除く): 13983111

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1451, 1491, 1917, 4353, 4473, 10157, 13059, 13419, 30471, 39177, 91413, 103021, 274239, 309063, 721147, 927189, 2163441, 2781567, 6490323, 19470969]

約数ペア:

[(1, 19470969), (3, 6490323), (7, 2781567), (9, 2163441), (21, 927189), (27, 721147), (63, 309063), (71, 274239), (189, 103021), (213, 91413), (497, 39177), (639, 30471), (1451, 13419), (1491, 13059), (1917, 10157), (4353, 4473)]