19396240

素因数分解:

$2^4\times 5^1\times {\mathrm{242453}}^1$

素因数の和:242466

約数の個数: 20

約数和(自身を含む): 45096444

約数和(自身を除く): 25700204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 242453, 484906, 969812, 1212265, 1939624, 2424530, 3879248, 4849060, 9698120, 19396240]

約数ペア:

[(1, 19396240), (2, 9698120), (4, 4849060), (5, 3879248), (8, 2424530), (10, 1939624), (16, 1212265), (20, 969812), (40, 484906), (80, 242453)]