18993369

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 28342240

約数和(自身を除く): 9348871

約数列:

[1, 3, 17, 19, 51, 57, 289, 323, 867, 969, 1153, 3459, 5491, 16473, 19601, 21907, 58803, 65721, 333217, 372419, 999651, 1117257, 6331123, 18993369]

約数ペア:

[(1, 18993369), (3, 6331123), (17, 1117257), (19, 999651), (51, 372419), (57, 333217), (289, 65721), (323, 58803), (867, 21907), (969, 19601), (1153, 16473), (3459, 5491)]