18723224

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4391}}^1$

素因数の和:4451

約数の個数: 32

約数和(自身を含む): 38737440

約数和(自身を除く): 20014216

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4391, 8782, 17564, 35128, 57083, 114166, 180031, 228332, 360062, 456664, 720124, 1440248, 2340403, 4680806, 9361612, 18723224]

約数ペア:

[(1, 18723224), (2, 9361612), (4, 4680806), (8, 2340403), (13, 1440248), (26, 720124), (41, 456664), (52, 360062), (82, 228332), (104, 180031), (164, 114166), (328, 57083), (533, 35128), (1066, 17564), (2132, 8782), (4264, 4391)]