18251018518

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{349}}^1\times {\mathrm{72431}}^1$

素因数の和:72820

約数の個数: 24

約数和(自身を含む): 28976421600

約数和(自身を除く): 10725403082

約数列:

[1, 2, 19, 38, 349, 361, 698, 722, 6631, 13262, 72431, 125989, 144862, 251978, 1376189, 2752378, 25278419, 26147591, 50556838, 52295182, 480289961, 960579922, 9125509259, 18251018518]

約数ペア:

[(1, 18251018518), (2, 9125509259), (19, 960579922), (38, 480289961), (349, 52295182), (361, 50556838), (698, 26147591), (722, 25278419), (6631, 2752378), (13262, 1376189), (72431, 251978), (125989, 144862)]