18773121

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 28022400

約数和(自身を除く): 9249279

約数列:

[1, 3, 19, 29, 41, 57, 87, 123, 277, 551, 779, 831, 1189, 1653, 2337, 3567, 5263, 8033, 11357, 15789, 22591, 24099, 34071, 67773, 152627, 215783, 329353, 457881, 647349, 988059, 6257707, 18773121]

約数ペア:

[(1, 18773121), (3, 6257707), (19, 988059), (29, 647349), (41, 457881), (57, 329353), (87, 215783), (123, 152627), (277, 67773), (551, 34071), (779, 24099), (831, 22591), (1189, 15789), (1653, 11357), (2337, 8033), (3567, 5263)]