19918794

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{67751}}^1$

素因数の和:67770

約数の個数: 24

約数和(自身を含む): 46342368

約数和(自身を除く): 26423574

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 67751, 135502, 203253, 406506, 474257, 948514, 1422771, 2845542, 3319799, 6639598, 9959397, 19918794]

約数ペア:

[(1, 19918794), (2, 9959397), (3, 6639598), (6, 3319799), (7, 2845542), (14, 1422771), (21, 948514), (42, 474257), (49, 406506), (98, 203253), (147, 135502), (294, 67751)]