18534471

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{6857}}^1$

素因数の和:6930

約数の個数: 16

約数和(自身を含む): 26663904

約数和(自身を除く): 8129433

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 6857, 20571, 116569, 349707, 363421, 1090263, 6178157, 18534471]

約数ペア:

[(1, 18534471), (3, 6178157), (17, 1090263), (51, 363421), (53, 349707), (159, 116569), (901, 20571), (2703, 6857)]