18722396

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{683}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 22645924

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 89, 154, 178, 308, 356, 623, 683, 979, 1246, 1366, 1958, 2492, 2732, 3916, 4781, 6853, 7513, 9562, 13706, 15026, 19124, 27412, 30052, 52591, 60787, 105182, 121574, 210364, 243148, 425509, 668657, 851018, 1337314, 1702036, 2674628, 4680599, 9361198, 18722396]

約数ペア:

[(1, 18722396), (2, 9361198), (4, 4680599), (7, 2674628), (11, 1702036), (14, 1337314), (22, 851018), (28, 668657), (44, 425509), (77, 243148), (89, 210364), (154, 121574), (178, 105182), (308, 60787), (356, 52591), (623, 30052), (683, 27412), (979, 19124), (1246, 15026), (1366, 13706), (1958, 9562), (2492, 7513), (2732, 6853), (3916, 4781)]