16940989

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 19414080

約数和(自身を除く): 2473091

約数列:

[1, 13, 19, 107, 247, 641, 1391, 2033, 8333, 12179, 26429, 68587, 158327, 891631, 1303153, 16940989]

約数ペア:

[(1, 16940989), (13, 1303153), (19, 891631), (107, 158327), (247, 68587), (641, 26429), (1391, 12179), (2033, 8333)]