18317729

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 20321280

約数和(自身を除く): 2003551

約数列:

[1, 19, 23, 167, 251, 437, 3173, 3841, 4769, 5773, 41917, 72979, 109687, 796423, 964091, 18317729]

約数ペア:

[(1, 18317729), (19, 964091), (23, 796423), (167, 109687), (251, 72979), (437, 41917), (3173, 5773), (3841, 4769)]