20180912

素因数分解:

$2^4\times {\mathrm{977}}^1\times {\mathrm{1291}}^1$

素因数の和:2276

約数の個数: 20

約数和(自身を含む): 39170856

約数和(自身を除く): 18989944

約数列:

[1, 2, 4, 8, 16, 977, 1291, 1954, 2582, 3908, 5164, 7816, 10328, 15632, 20656, 1261307, 2522614, 5045228, 10090456, 20180912]

約数ペア:

[(1, 20180912), (2, 10090456), (4, 5045228), (8, 2522614), (16, 1261307), (977, 20656), (1291, 15632), (1954, 10328), (2582, 7816), (3908, 5164)]