19994144

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{11789}}^1$

素因数の和:11852

約数の個数: 24

約数和(自身を含む): 40109580

約数和(自身を除く): 20115436

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 11789, 23578, 47156, 94312, 188624, 377248, 624817, 1249634, 2499268, 4998536, 9997072, 19994144]

約数ペア:

[(1, 19994144), (2, 9997072), (4, 4998536), (8, 2499268), (16, 1249634), (32, 624817), (53, 377248), (106, 188624), (212, 94312), (424, 47156), (848, 23578), (1696, 11789)]