19698866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2137}}^1$

素因数の和:2569

約数の個数: 16

約数和(自身を含む): 32326560

約数和(自身を除く): 12627694

約数列:

[1, 2, 11, 22, 419, 838, 2137, 4274, 4609, 9218, 23507, 47014, 895403, 1790806, 9849433, 19698866]

約数ペア:

[(1, 19698866), (2, 9849433), (11, 1790806), (22, 895403), (419, 47014), (838, 23507), (2137, 9218), (4274, 4609)]