18867841

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:600

約数の個数: 16

約数和(自身を含む): 20870784

約数和(自身を除く): 2002943

約数列:

[1, 17, 43, 53, 487, 731, 901, 2279, 8279, 20941, 25811, 38743, 355997, 438787, 1109873, 18867841]

約数ペア:

[(1, 18867841), (17, 1109873), (43, 438787), (53, 355997), (487, 38743), (731, 25811), (901, 20941), (2279, 8279)]