19765529

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{421}}^1$

素因数の和:800

約数の個数: 16

約数和(自身を含む): 23902080

約数和(自身を除く): 4136551

約数列:

[1, 7, 19, 133, 353, 421, 2471, 2947, 6707, 7999, 46949, 55993, 148613, 1040291, 2823647, 19765529]

約数ペア:

[(1, 19765529), (7, 2823647), (19, 1040291), (133, 148613), (353, 55993), (421, 46949), (2471, 7999), (2947, 6707)]