19323502

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 13335698

約数列:

[1, 2, 11, 22, 71, 89, 139, 142, 178, 278, 781, 979, 1529, 1562, 1958, 3058, 6319, 9869, 12371, 12638, 19738, 24742, 69509, 108559, 136081, 139018, 217118, 272162, 878341, 1756682, 9661751, 19323502]

約数ペア:

[(1, 19323502), (2, 9661751), (11, 1756682), (22, 878341), (71, 272162), (89, 217118), (139, 139018), (142, 136081), (178, 108559), (278, 69509), (781, 24742), (979, 19738), (1529, 12638), (1562, 12371), (1958, 9869), (3058, 6319)]