18811926

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:387

約数の個数: 80

約数和(自身を含む): 49240224

約数和(自身を除く): 30428298

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 53, 54, 63, 81, 106, 126, 159, 162, 189, 313, 318, 371, 378, 477, 567, 626, 742, 939, 954, 1113, 1134, 1431, 1878, 2191, 2226, 2817, 2862, 3339, 4293, 4382, 5634, 6573, 6678, 8451, 8586, 10017, 13146, 16589, 16902, 19719, 20034, 25353, 30051, 33178, 39438, 49767, 50706, 59157, 60102, 99534, 116123, 118314, 149301, 177471, 232246, 298602, 348369, 354942, 447903, 696738, 895806, 1045107, 1343709, 2090214, 2687418, 3135321, 6270642, 9405963, 18811926]

約数ペア:

[(1, 18811926), (2, 9405963), (3, 6270642), (6, 3135321), (7, 2687418), (9, 2090214), (14, 1343709), (18, 1045107), (21, 895806), (27, 696738), (42, 447903), (53, 354942), (54, 348369), (63, 298602), (81, 232246), (106, 177471), (126, 149301), (159, 118314), (162, 116123), (189, 99534), (313, 60102), (318, 59157), (371, 50706), (378, 49767), (477, 39438), (567, 33178), (626, 30051), (742, 25353), (939, 20034), (954, 19719), (1113, 16902), (1134, 16589), (1431, 13146), (1878, 10017), (2191, 8586), (2226, 8451), (2817, 6678), (2862, 6573), (3339, 5634), (4293, 4382)]