18854984

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{929}}^1$

素因数の和:1037

約数の個数: 32

約数和(自身を含む): 36828000

約数和(自身を除く): 17973016

約数列:

[1, 2, 4, 8, 43, 59, 86, 118, 172, 236, 344, 472, 929, 1858, 2537, 3716, 5074, 7432, 10148, 20296, 39947, 54811, 79894, 109622, 159788, 219244, 319576, 438488, 2356873, 4713746, 9427492, 18854984]

約数ペア:

[(1, 18854984), (2, 9427492), (4, 4713746), (8, 2356873), (43, 438488), (59, 319576), (86, 219244), (118, 159788), (172, 109622), (236, 79894), (344, 54811), (472, 39947), (929, 20296), (1858, 10148), (2537, 7432), (3716, 5074)]