18674391

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:770

約数の個数: 16

約数和(自身を含む): 25523424

約数和(自身を除く): 6849033

約数列:

[1, 3, 53, 159, 257, 457, 771, 1371, 13621, 24221, 40863, 72663, 117449, 352347, 6224797, 18674391]

約数ペア:

[(1, 18674391), (3, 6224797), (53, 352347), (159, 117449), (257, 72663), (457, 40863), (771, 24221), (1371, 13621)]