18709371

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 28029456

約数和(自身を除く): 9320085

約数列:

[1, 3, 9, 53, 61, 159, 183, 477, 549, 643, 1929, 3233, 5787, 9699, 29097, 34079, 39223, 102237, 117669, 306711, 353007, 2078819, 6236457, 18709371]

約数ペア:

[(1, 18709371), (3, 6236457), (9, 2078819), (53, 353007), (61, 306711), (159, 117669), (183, 102237), (477, 39223), (549, 34079), (643, 29097), (1929, 9699), (3233, 5787)]