18564289

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{601}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 20805120

約数和(自身を除く): 2240831

約数列:

[1, 17, 23, 79, 391, 601, 1343, 1817, 10217, 13823, 30889, 47479, 234991, 807143, 1092017, 18564289]

約数ペア:

[(1, 18564289), (17, 1092017), (23, 807143), (79, 234991), (391, 47479), (601, 30889), (1343, 13823), (1817, 10217)]