18231931880

素因数分解:

$2^3\times 5^1\times {\mathrm{455798297}}^1$

素因数の和:455798308

約数の個数: 16

約数和(自身を含む): 41021846820

約数和(自身を除く): 22789914940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 455798297, 911596594, 1823193188, 2278991485, 3646386376, 4557982970, 9115965940, 18231931880]

約数ペア:

[(1, 18231931880), (2, 9115965940), (4, 4557982970), (5, 3646386376), (8, 2278991485), (10, 1823193188), (20, 911596594), (40, 455798297)]