19009520

素因数分解:

$2^4\times 5^1\times {\mathrm{237619}}^1$

素因数の和:237632

約数の個数: 20

約数和(自身を含む): 44197320

約数和(自身を除く): 25187800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 237619, 475238, 950476, 1188095, 1900952, 2376190, 3801904, 4752380, 9504760, 19009520]

約数ペア:

[(1, 19009520), (2, 9504760), (4, 4752380), (5, 3801904), (8, 2376190), (10, 1900952), (16, 1188095), (20, 950476), (40, 475238), (80, 237619)]