19564226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20681}}^1$

素因数の和:20737

約数の個数: 16

約数和(自身を含む): 32760288

約数和(自身を除く): 13196062

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20681, 41362, 227491, 454982, 889283, 1778566, 9782113, 19564226]

約数ペア:

[(1, 19564226), (2, 9782113), (11, 1778566), (22, 889283), (43, 454982), (86, 227491), (473, 41362), (946, 20681)]