19085605

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 28926720

約数和(自身を除く): 9841115

約数列:

[1, 5, 7, 11, 35, 55, 77, 89, 385, 445, 557, 623, 979, 2785, 3115, 3899, 4895, 6127, 6853, 19495, 30635, 34265, 42889, 49573, 214445, 247865, 347011, 545303, 1735055, 2726515, 3817121, 19085605]

約数ペア:

[(1, 19085605), (5, 3817121), (7, 2726515), (11, 1735055), (35, 545303), (55, 347011), (77, 247865), (89, 214445), (385, 49573), (445, 42889), (557, 34265), (623, 30635), (979, 19495), (2785, 6853), (3115, 6127), (3899, 4895)]