18756981

素因数分解:

$3^3\times {\mathrm{293}}^1\times {\mathrm{2371}}^1$

素因数の和:2673

約数の個数: 16

約数和(自身を含む): 27894720

約数和(自身を除く): 9137739

約数列:

[1, 3, 9, 27, 293, 879, 2371, 2637, 7113, 7911, 21339, 64017, 694703, 2084109, 6252327, 18756981]

約数ペア:

[(1, 18756981), (3, 6252327), (9, 2084109), (27, 694703), (293, 64017), (879, 21339), (2371, 7911), (2637, 7113)]