19906847

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:466

約数の個数: 16

約数和(自身を含む): 22032000

約数和(自身を除く): 2125153

約数列:

[1, 17, 29, 149, 271, 493, 2533, 4321, 4607, 7859, 40379, 73457, 133603, 686443, 1170991, 19906847]

約数ペア:

[(1, 19906847), (17, 1170991), (29, 686443), (149, 133603), (271, 73457), (493, 40379), (2533, 7859), (4321, 4607)]