19822047

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 31460352

約数和(自身を除く): 11638305

約数列:

[1, 3, 7, 21, 37, 97, 111, 259, 263, 291, 679, 777, 789, 1841, 2037, 3589, 5523, 9731, 10767, 25123, 25511, 29193, 68117, 75369, 76533, 178577, 204351, 535731, 943907, 2831721, 6607349, 19822047]

約数ペア:

[(1, 19822047), (3, 6607349), (7, 2831721), (21, 943907), (37, 535731), (97, 204351), (111, 178577), (259, 76533), (263, 75369), (291, 68117), (679, 29193), (777, 25511), (789, 25123), (1841, 10767), (2037, 9731), (3589, 5523)]