19022480

素因数分解:

$2^4\times 5^1\times {\mathrm{237781}}^1$

素因数の和:237794

約数の個数: 20

約数和(自身を含む): 44227452

約数和(自身を除く): 25204972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 237781, 475562, 951124, 1188905, 1902248, 2377810, 3804496, 4755620, 9511240, 19022480]

約数ペア:

[(1, 19022480), (2, 9511240), (4, 4755620), (5, 3804496), (8, 2377810), (10, 1902248), (16, 1188905), (20, 951124), (40, 475562), (80, 237781)]