19662513

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{2221}}^1$

素因数の和:2464

約数の個数: 16

約数和(自身を含む): 28370496

約数和(自身を除く): 8707983

約数列:

[1, 3, 13, 39, 227, 681, 2221, 2951, 6663, 8853, 28873, 86619, 504167, 1512501, 6554171, 19662513]

約数ペア:

[(1, 19662513), (3, 6554171), (13, 1512501), (39, 504167), (227, 86619), (681, 28873), (2221, 8853), (2951, 6663)]