18637232

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:417

約数の個数: 40

約数和(自身を含む): 37449984

約数和(自身を除く): 18812752

約数列:

[1, 2, 4, 8, 16, 43, 86, 103, 172, 206, 263, 344, 412, 526, 688, 824, 1052, 1648, 2104, 4208, 4429, 8858, 11309, 17716, 22618, 27089, 35432, 45236, 54178, 70864, 90472, 108356, 180944, 216712, 433424, 1164827, 2329654, 4659308, 9318616, 18637232]

約数ペア:

[(1, 18637232), (2, 9318616), (4, 4659308), (8, 2329654), (16, 1164827), (43, 433424), (86, 216712), (103, 180944), (172, 108356), (206, 90472), (263, 70864), (344, 54178), (412, 45236), (526, 35432), (688, 27089), (824, 22618), (1052, 17716), (1648, 11309), (2104, 8858), (4208, 4429)]