18205070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1069}}^1$

素因数の和:1220

約数の個数: 32

約数和(自身を含む): 35592480

約数和(自身を除く): 17387410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1069, 1310, 1703, 2138, 3406, 5345, 8515, 10690, 13897, 17030, 27794, 69485, 138970, 140039, 280078, 700195, 1400390, 1820507, 3641014, 9102535, 18205070]

約数ペア:

[(1, 18205070), (2, 9102535), (5, 3641014), (10, 1820507), (13, 1400390), (26, 700195), (65, 280078), (130, 140039), (131, 138970), (262, 69485), (655, 27794), (1069, 17030), (1310, 13897), (1703, 10690), (2138, 8515), (3406, 5345)]