19005680

素因数分解:

$2^4\times 5^1\times {\mathrm{237571}}^1$

素因数の和:237584

約数の個数: 20

約数和(自身を含む): 44188392

約数和(自身を除く): 25182712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 237571, 475142, 950284, 1187855, 1900568, 2375710, 3801136, 4751420, 9502840, 19005680]

約数ペア:

[(1, 19005680), (2, 9502840), (4, 4751420), (5, 3801136), (8, 2375710), (10, 1900568), (16, 1187855), (20, 950284), (40, 475142), (80, 237571)]