19902516

素因数分解:

$2^2\times 3^1\times {\mathrm{197}}^1\times {\mathrm{8419}}^1$

素因数の和:8623

約数の個数: 24

約数和(自身を含む): 46680480

約数和(自身を除く): 26777964

約数列:

[1, 2, 3, 4, 6, 12, 197, 394, 591, 788, 1182, 2364, 8419, 16838, 25257, 33676, 50514, 101028, 1658543, 3317086, 4975629, 6634172, 9951258, 19902516]

約数ペア:

[(1, 19902516), (2, 9951258), (3, 6634172), (4, 4975629), (6, 3317086), (12, 1658543), (197, 101028), (394, 50514), (591, 33676), (788, 25257), (1182, 16838), (2364, 8419)]