19744828

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1499}}^1$

素因数の和:1629

約数の個数: 24

約数和(自身を含む): 35910000

約数和(自身を除く): 16165172

約数列:

[1, 2, 4, 37, 74, 89, 148, 178, 356, 1499, 2998, 3293, 5996, 6586, 13172, 55463, 110926, 133411, 221852, 266822, 533644, 4936207, 9872414, 19744828]

約数ペア:

[(1, 19744828), (2, 9872414), (4, 4936207), (37, 533644), (74, 266822), (89, 221852), (148, 133411), (178, 110926), (356, 55463), (1499, 13172), (2998, 6586), (3293, 5996)]