18890709

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{401}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 25933824

約数和(自身を除く): 7043115

約数列:

[1, 3, 41, 123, 383, 401, 1149, 1203, 15703, 16441, 47109, 49323, 153583, 460749, 6296903, 18890709]

約数ペア:

[(1, 18890709), (3, 6296903), (41, 460749), (123, 153583), (383, 49323), (401, 47109), (1149, 16441), (1203, 15703)]