18863656

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17729}}^1$

素因数の和:17761

約数の個数: 32

約数和(自身を含む): 42552000

約数和(自身を除く): 23688344

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 17729, 35458, 70916, 124103, 141832, 248206, 336851, 496412, 673702, 992824, 1347404, 2357957, 2694808, 4715914, 9431828, 18863656]

約数ペア:

[(1, 18863656), (2, 9431828), (4, 4715914), (7, 2694808), (8, 2357957), (14, 1347404), (19, 992824), (28, 673702), (38, 496412), (56, 336851), (76, 248206), (133, 141832), (152, 124103), (266, 70916), (532, 35458), (1064, 17729)]