18291394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1050

約数の個数: 32

約数和(自身を含む): 32109696

約数和(自身を除く): 13818302

約数列:

[1, 2, 11, 22, 23, 37, 46, 74, 253, 407, 506, 814, 851, 977, 1702, 1954, 9361, 10747, 18722, 21494, 22471, 36149, 44942, 72298, 247181, 397639, 494362, 795278, 831427, 1662854, 9145697, 18291394]

約数ペア:

[(1, 18291394), (2, 9145697), (11, 1662854), (22, 831427), (23, 795278), (37, 494362), (46, 397639), (74, 247181), (253, 72298), (407, 44942), (506, 36149), (814, 22471), (851, 21494), (977, 18722), (1702, 10747), (1954, 9361)]