19877323137

素因数分解:

$3^1\times 7^1\times {\mathrm{11731}}^1\times {\mathrm{80687}}^1$

素因数の和:92428

約数の個数: 16

約数和(自身を含む): 30292211712

約数和(自身を除く): 10414888575

約数列:

[1, 3, 7, 21, 11731, 35193, 80687, 82117, 242061, 246351, 564809, 1694427, 946539197, 2839617591, 6625774379, 19877323137]

約数ペア:

[(1, 19877323137), (3, 6625774379), (7, 2839617591), (21, 946539197), (11731, 1694427), (35193, 564809), (80687, 246351), (82117, 242061)]