19413189

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{3929}}^1$

素因数の和:4002

約数の個数: 20

約数和(自身を含む): 29482860

約数和(自身を除く): 10069671

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 3929, 4941, 11787, 35361, 106083, 239669, 318249, 719007, 2157021, 6471063, 19413189]

約数ペア:

[(1, 19413189), (3, 6471063), (9, 2157021), (27, 719007), (61, 318249), (81, 239669), (183, 106083), (549, 35361), (1647, 11787), (3929, 4941)]