19043120

素因数分解:

$2^4\times 5^1\times {\mathrm{238039}}^1$

素因数の和:238052

約数の個数: 20

約数和(自身を含む): 44275440

約数和(自身を除く): 25232320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238039, 476078, 952156, 1190195, 1904312, 2380390, 3808624, 4760780, 9521560, 19043120]

約数ペア:

[(1, 19043120), (2, 9521560), (4, 4760780), (5, 3808624), (8, 2380390), (10, 1904312), (16, 1190195), (20, 952156), (40, 476078), (80, 238039)]