18399399

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{107}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 26168832

約数和(自身を除く): 7769433

約数列:

[1, 3, 31, 43, 93, 107, 129, 321, 1333, 1849, 3317, 3999, 4601, 5547, 9951, 13803, 57319, 142631, 171957, 197843, 427893, 593529, 6133133, 18399399]

約数ペア:

[(1, 18399399), (3, 6133133), (31, 593529), (43, 427893), (93, 197843), (107, 171957), (129, 142631), (321, 57319), (1333, 13803), (1849, 9951), (3317, 5547), (3999, 4601)]