19686121

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{953}}^1$

素因数の和:1200

約数の個数: 16

約数和(自身を含む): 24361344

約数和(自身を除く): 4675223

約数列:

[1, 7, 13, 91, 227, 953, 1589, 2951, 6671, 12389, 20657, 86723, 216331, 1514317, 2812303, 19686121]

約数ペア:

[(1, 19686121), (7, 2812303), (13, 1514317), (91, 216331), (227, 86723), (953, 20657), (1589, 12389), (2951, 6671)]