19718097

素因数分解:

$3^1\times 7^1\times {\mathrm{967}}^1\times {\mathrm{971}}^1$

素因数の和:1948

約数の個数: 16

約数和(自身を含む): 30108672

約数和(自身を除く): 10390575

約数列:

[1, 3, 7, 21, 967, 971, 2901, 2913, 6769, 6797, 20307, 20391, 938957, 2816871, 6572699, 19718097]

約数ペア:

[(1, 19718097), (3, 6572699), (7, 2816871), (21, 938957), (967, 20391), (971, 20307), (2901, 6797), (2913, 6769)]