18049265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3911}}^1$

素因数の和:4000

約数の個数: 16

約数和(自身を含む): 23659776

約数和(自身を除く): 5610511

約数列:

[1, 5, 13, 65, 71, 355, 923, 3911, 4615, 19555, 50843, 254215, 277681, 1388405, 3609853, 18049265]

約数ペア:

[(1, 18049265), (5, 3609853), (13, 1388405), (65, 277681), (71, 254215), (355, 50843), (923, 19555), (3911, 4615)]