19702970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1627}}^1$

素因数の和:1814

約数の個数: 32

約数和(自身を含む): 40791168

約数和(自身を除く): 21088198

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1627, 1730, 2422, 3254, 6055, 8135, 11389, 12110, 16270, 22778, 56945, 113890, 281471, 562942, 1407355, 1970297, 2814710, 3940594, 9851485, 19702970]

約数ペア:

[(1, 19702970), (2, 9851485), (5, 3940594), (7, 2814710), (10, 1970297), (14, 1407355), (35, 562942), (70, 281471), (173, 113890), (346, 56945), (865, 22778), (1211, 16270), (1627, 12110), (1730, 11389), (2422, 8135), (3254, 6055)]