18119556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5531}}^1$

素因数の和:5561

約数の個数: 72

約数和(自身を含む): 56382144

約数和(自身を除く): 38262588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 5531, 11062, 16593, 22124, 33186, 38717, 49779, 66372, 71903, 77434, 99558, 116151, 143806, 154868, 199116, 215709, 232302, 287612, 348453, 431418, 464604, 503321, 647127, 696906, 862836, 1006642, 1294254, 1393812, 1509963, 2013284, 2588508, 3019926, 4529889, 6039852, 9059778, 18119556]

約数ペア:

[(1, 18119556), (2, 9059778), (3, 6039852), (4, 4529889), (6, 3019926), (7, 2588508), (9, 2013284), (12, 1509963), (13, 1393812), (14, 1294254), (18, 1006642), (21, 862836), (26, 696906), (28, 647127), (36, 503321), (39, 464604), (42, 431418), (52, 348453), (63, 287612), (78, 232302), (84, 215709), (91, 199116), (117, 154868), (126, 143806), (156, 116151), (182, 99558), (234, 77434), (252, 71903), (273, 66372), (364, 49779), (468, 38717), (546, 33186), (819, 22124), (1092, 16593), (1638, 11062), (3276, 5531)]