19392860

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5417}}^1$

素因数の和:5605

約数の個数: 24

約数和(自身を含む): 40960080

約数和(自身を除く): 21567220

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 5417, 10834, 21668, 27085, 54170, 108340, 969643, 1939286, 3878572, 4848215, 9696430, 19392860]

約数ペア:

[(1, 19392860), (2, 9696430), (4, 4848215), (5, 3878572), (10, 1939286), (20, 969643), (179, 108340), (358, 54170), (716, 27085), (895, 21668), (1790, 10834), (3580, 5417)]