18739041

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1\times {\mathrm{383}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 25657344

約数和(自身を除く): 6918303

約数列:

[1, 3, 47, 141, 347, 383, 1041, 1149, 16309, 18001, 48927, 54003, 132901, 398703, 6246347, 18739041]

約数ペア:

[(1, 18739041), (3, 6246347), (47, 398703), (141, 132901), (347, 54003), (383, 48927), (1041, 18001), (1149, 16309)]