19157691

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 31269888

約数和(自身を除く): 12112197

約数列:

[1, 3, 7, 17, 21, 51, 103, 119, 309, 357, 521, 721, 1563, 1751, 2163, 3647, 5253, 8857, 10941, 12257, 26571, 36771, 53663, 61999, 160989, 185997, 375641, 912271, 1126923, 2736813, 6385897, 19157691]

約数ペア:

[(1, 19157691), (3, 6385897), (7, 2736813), (17, 1126923), (21, 912271), (51, 375641), (103, 185997), (119, 160989), (309, 61999), (357, 53663), (521, 36771), (721, 26571), (1563, 12257), (1751, 10941), (2163, 8857), (3647, 5253)]