18127839

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{463}}^1$

素因数の和:918

約数の個数: 16

約数和(自身を含む): 25063424

約数和(自身を除く): 6935585

約数列:

[1, 3, 31, 93, 421, 463, 1263, 1389, 13051, 14353, 39153, 43059, 194923, 584769, 6042613, 18127839]

約数ペア:

[(1, 18127839), (3, 6042613), (31, 584769), (93, 194923), (421, 43059), (463, 39153), (1263, 14353), (1389, 13051)]