18296615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{409}}^1$

素因数の和:826

約数の個数: 16

約数和(自身を含む): 23025600

約数和(自身を除く): 4728985

約数列:

[1, 5, 23, 115, 389, 409, 1945, 2045, 8947, 9407, 44735, 47035, 159101, 795505, 3659323, 18296615]

約数ペア:

[(1, 18296615), (5, 3659323), (23, 795505), (115, 159101), (389, 47035), (409, 44735), (1945, 9407), (2045, 8947)]