19093613

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 25927680

約数和(自身を除く): 6834067

約数列:

[1, 7, 11, 19, 31, 77, 133, 209, 217, 341, 421, 589, 1463, 2387, 2947, 4123, 4631, 6479, 7999, 13051, 32417, 45353, 55993, 87989, 91357, 143561, 247969, 615923, 1004927, 1735783, 2727659, 19093613]

約数ペア:

[(1, 19093613), (7, 2727659), (11, 1735783), (19, 1004927), (31, 615923), (77, 247969), (133, 143561), (209, 91357), (217, 87989), (341, 55993), (421, 45353), (589, 32417), (1463, 13051), (2387, 7999), (2947, 6479), (4123, 4631)]