19386128

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{22861}}^1$

素因数の和:22922

約数の個数: 20

約数和(自身を含む): 38270988

約数和(自身を除く): 18884860

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 22861, 45722, 91444, 182888, 365776, 1211633, 2423266, 4846532, 9693064, 19386128]

約数ペア:

[(1, 19386128), (2, 9693064), (4, 4846532), (8, 2423266), (16, 1211633), (53, 365776), (106, 182888), (212, 91444), (424, 45722), (848, 22861)]