18478270864

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{661}}^1\times {\mathrm{16963}}^1$

素因数の和:17735

約数の個数: 40

約数和(自身を含む): 36206061632

約数和(自身を除く): 17727790768

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 661, 824, 1322, 1648, 2644, 5288, 10576, 16963, 33926, 67852, 68083, 135704, 136166, 271408, 272332, 544664, 1089328, 1747189, 3494378, 6988756, 11212543, 13977512, 22425086, 27955024, 44850172, 89700344, 179400688, 1154891929, 2309783858, 4619567716, 9239135432, 18478270864]

約数ペア:

[(1, 18478270864), (2, 9239135432), (4, 4619567716), (8, 2309783858), (16, 1154891929), (103, 179400688), (206, 89700344), (412, 44850172), (661, 27955024), (824, 22425086), (1322, 13977512), (1648, 11212543), (2644, 6988756), (5288, 3494378), (10576, 1747189), (16963, 1089328), (33926, 544664), (67852, 272332), (68083, 271408), (135704, 136166)]