19445560

素因数分解:

$2^3\times 5^1\times {\mathrm{486139}}^1$

素因数の和:486150

約数の個数: 16

約数和(自身を含む): 43752600

約数和(自身を除く): 24307040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 486139, 972278, 1944556, 2430695, 3889112, 4861390, 9722780, 19445560]

約数ペア:

[(1, 19445560), (2, 9722780), (4, 4861390), (5, 3889112), (8, 2430695), (10, 1944556), (20, 972278), (40, 486139)]