19707902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 32503680

約数和(自身を除く): 12795778

約数列:

[1, 2, 19, 37, 38, 74, 107, 131, 214, 262, 703, 1406, 2033, 2489, 3959, 4066, 4847, 4978, 7918, 9694, 14017, 28034, 75221, 92093, 150442, 184186, 266323, 518629, 532646, 1037258, 9853951, 19707902]

約数ペア:

[(1, 19707902), (2, 9853951), (19, 1037258), (37, 532646), (38, 518629), (74, 266323), (107, 184186), (131, 150442), (214, 92093), (262, 75221), (703, 28034), (1406, 14017), (2033, 9694), (2489, 7918), (3959, 4978), (4066, 4847)]