18012209

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{577}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 19975680

約数和(自身を除く): 1963471

約数列:

[1, 19, 31, 53, 577, 589, 1007, 1643, 10963, 17887, 30581, 31217, 339853, 581039, 948011, 18012209]

約数ペア:

[(1, 18012209), (19, 948011), (31, 581039), (53, 339853), (577, 31217), (589, 30581), (1007, 17887), (1643, 10963)]