19459760

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{701}}^1$

素因数の和:1061

約数の個数: 40

約数和(自身を含む): 45439056

約数和(自身を除く): 25979296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 694, 701, 1388, 1402, 1735, 2776, 2804, 3470, 3505, 5552, 5608, 6940, 7010, 11216, 13880, 14020, 27760, 28040, 56080, 243247, 486494, 972988, 1216235, 1945976, 2432470, 3891952, 4864940, 9729880, 19459760]

約数ペア:

[(1, 19459760), (2, 9729880), (4, 4864940), (5, 3891952), (8, 2432470), (10, 1945976), (16, 1216235), (20, 972988), (40, 486494), (80, 243247), (347, 56080), (694, 28040), (701, 27760), (1388, 14020), (1402, 13880), (1735, 11216), (2776, 7010), (2804, 6940), (3470, 5608), (3505, 5552)]