19777309

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 21934080

約数和(自身を除く): 2156771

約数列:

[1, 19, 23, 167, 271, 437, 3173, 3841, 5149, 6233, 45257, 72979, 118427, 859883, 1040911, 19777309]

約数ペア:

[(1, 19777309), (19, 1040911), (23, 859883), (167, 118427), (271, 72979), (437, 45257), (3173, 6233), (3841, 5149)]