19706508

素因数分解:

$2^2\times 3^2\times {\mathrm{499}}^1\times {\mathrm{1097}}^1$

素因数の和:1606

約数の個数: 36

約数和(自身を含む): 49959000

約数和(自身を除く): 30252492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 499, 998, 1097, 1497, 1996, 2194, 2994, 3291, 4388, 4491, 5988, 6582, 8982, 9873, 13164, 17964, 19746, 39492, 547403, 1094806, 1642209, 2189612, 3284418, 4926627, 6568836, 9853254, 19706508]

約数ペア:

[(1, 19706508), (2, 9853254), (3, 6568836), (4, 4926627), (6, 3284418), (9, 2189612), (12, 1642209), (18, 1094806), (36, 547403), (499, 39492), (998, 19746), (1097, 17964), (1497, 13164), (1996, 9873), (2194, 8982), (2994, 6582), (3291, 5988), (4388, 4491)]