19982860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43441}}^1$

素因数の和:43473

約数の個数: 24

約数和(自身を含む): 43789536

約数和(自身を除く): 23806676

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43441, 86882, 173764, 217205, 434410, 868820, 999143, 1998286, 3996572, 4995715, 9991430, 19982860]

約数ペア:

[(1, 19982860), (2, 9991430), (4, 4995715), (5, 3996572), (10, 1998286), (20, 999143), (23, 868820), (46, 434410), (92, 217205), (115, 173764), (230, 86882), (460, 43441)]