18681310

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4217}}^1$

素因数の和:4667

約数の個数: 16

約数和(自身を含む): 33710256

約数和(自身を除く): 15028946

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4217, 4430, 8434, 21085, 42170, 1868131, 3736262, 9340655, 18681310]

約数ペア:

[(1, 18681310), (2, 9340655), (5, 3736262), (10, 1868131), (443, 42170), (886, 21085), (2215, 8434), (4217, 4430)]