19842860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13591}}^1$

素因数の和:13673

約数の個数: 24

約数和(自身を含む): 42243936

約数和(自身を除く): 22401076

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13591, 27182, 54364, 67955, 135910, 271820, 992143, 1984286, 3968572, 4960715, 9921430, 19842860]

約数ペア:

[(1, 19842860), (2, 9921430), (4, 4960715), (5, 3968572), (10, 1984286), (20, 992143), (73, 271820), (146, 135910), (292, 67955), (365, 54364), (730, 27182), (1460, 13591)]