18204518

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:584

約数の個数: 32

約数和(自身を含む): 30780000

約数和(自身を除く): 12575482

約数列:

[1, 2, 17, 29, 34, 37, 58, 74, 493, 499, 629, 986, 998, 1073, 1258, 2146, 8483, 14471, 16966, 18241, 18463, 28942, 36482, 36926, 246007, 313871, 492014, 535427, 627742, 1070854, 9102259, 18204518]

約数ペア:

[(1, 18204518), (2, 9102259), (17, 1070854), (29, 627742), (34, 535427), (37, 492014), (58, 313871), (74, 246007), (493, 36926), (499, 36482), (629, 28942), (986, 18463), (998, 18241), (1073, 16966), (1258, 14471), (2146, 8483)]