18722732

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 39287808

約数和(自身を除く): 20565076

約数列:

[1, 2, 4, 7, 14, 28, 41, 47, 82, 94, 164, 188, 287, 329, 347, 574, 658, 694, 1148, 1316, 1388, 1927, 2429, 3854, 4858, 7708, 9716, 13489, 14227, 16309, 26978, 28454, 32618, 53956, 56908, 65236, 99589, 114163, 199178, 228326, 398356, 456652, 668669, 1337338, 2674676, 4680683, 9361366, 18722732]

約数ペア:

[(1, 18722732), (2, 9361366), (4, 4680683), (7, 2674676), (14, 1337338), (28, 668669), (41, 456652), (47, 398356), (82, 228326), (94, 199178), (164, 114163), (188, 99589), (287, 65236), (329, 56908), (347, 53956), (574, 32618), (658, 28454), (694, 26978), (1148, 16309), (1316, 14227), (1388, 13489), (1927, 9716), (2429, 7708), (3854, 4858)]