19732867

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1021}}^1$

素因数の和:1290

約数の個数: 16

約数和(自身を含む): 24724224

約数和(自身を除く): 4991357

約数列:

[1, 7, 11, 77, 251, 1021, 1757, 2761, 7147, 11231, 19327, 78617, 256271, 1793897, 2818981, 19732867]

約数ペア:

[(1, 19732867), (7, 2818981), (11, 1793897), (77, 256271), (251, 78617), (1021, 19327), (1757, 11231), (2761, 7147)]