19523007

素因数分解:

$3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{719}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 32348160

約数和(自身を除く): 12825153

約数列:

[1, 3, 7, 9, 21, 63, 431, 719, 1293, 2157, 3017, 3879, 5033, 6471, 9051, 15099, 27153, 45297, 309889, 929667, 2169223, 2789001, 6507669, 19523007]

約数ペア:

[(1, 19523007), (3, 6507669), (7, 2789001), (9, 2169223), (21, 929667), (63, 309889), (431, 45297), (719, 27153), (1293, 15099), (2157, 9051), (3017, 6471), (3879, 5033)]