18541881

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 27747720

約数和(自身を除く): 9205839

約数列:

[1, 3, 9, 41, 109, 123, 327, 369, 461, 981, 1383, 4149, 4469, 13407, 18901, 40221, 50249, 56703, 150747, 170109, 452241, 2060209, 6180627, 18541881]

約数ペア:

[(1, 18541881), (3, 6180627), (9, 2060209), (41, 452241), (109, 170109), (123, 150747), (327, 56703), (369, 50249), (461, 40221), (981, 18901), (1383, 13407), (4149, 4469)]