19931432

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{727}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 39312000

約数和(自身を除く): 19380568

約数列:

[1, 2, 4, 8, 23, 46, 92, 149, 184, 298, 596, 727, 1192, 1454, 2908, 3427, 5816, 6854, 13708, 16721, 27416, 33442, 66884, 108323, 133768, 216646, 433292, 866584, 2491429, 4982858, 9965716, 19931432]

約数ペア:

[(1, 19931432), (2, 9965716), (4, 4982858), (8, 2491429), (23, 866584), (46, 433292), (92, 216646), (149, 133768), (184, 108323), (298, 66884), (596, 33442), (727, 27416), (1192, 16721), (1454, 13708), (2908, 6854), (3427, 5816)]