19698246

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{7873}}^1$

素因数の和:8020

約数の個数: 24

約数和(自身を含む): 42992040

約数和(自身を除く): 23293794

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 7873, 15746, 23619, 47238, 70857, 141714, 1094347, 2188694, 3283041, 6566082, 9849123, 19698246]

約数ペア:

[(1, 19698246), (2, 9849123), (3, 6566082), (6, 3283041), (9, 2188694), (18, 1094347), (139, 141714), (278, 70857), (417, 47238), (834, 23619), (1251, 15746), (2502, 7873)]