18813249

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 96

約数和(自身を含む): 37478400

約数和(自身を除く): 18665151

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 31, 39, 57, 63, 91, 93, 117, 133, 169, 171, 189, 217, 247, 273, 279, 351, 399, 403, 507, 513, 589, 651, 741, 819, 837, 1183, 1197, 1209, 1521, 1729, 1767, 1953, 2223, 2457, 2821, 3211, 3549, 3591, 3627, 4123, 4563, 5187, 5239, 5301, 5859, 6669, 7657, 8463, 9633, 10647, 10881, 12369, 15561, 15717, 15903, 22477, 22971, 25389, 28899, 31941, 36673, 37107, 46683, 47151, 53599, 67431, 68913, 76167, 86697, 99541, 110019, 111321, 141453, 160797, 202293, 206739, 298623, 330057, 482391, 606879, 696787, 895869, 990171, 1447173, 2090361, 2687607, 6271083, 18813249]

約数ペア:

[(1, 18813249), (3, 6271083), (7, 2687607), (9, 2090361), (13, 1447173), (19, 990171), (21, 895869), (27, 696787), (31, 606879), (39, 482391), (57, 330057), (63, 298623), (91, 206739), (93, 202293), (117, 160797), (133, 141453), (169, 111321), (171, 110019), (189, 99541), (217, 86697), (247, 76167), (273, 68913), (279, 67431), (351, 53599), (399, 47151), (403, 46683), (507, 37107), (513, 36673), (589, 31941), (651, 28899), (741, 25389), (819, 22971), (837, 22477), (1183, 15903), (1197, 15717), (1209, 15561), (1521, 12369), (1729, 10881), (1767, 10647), (1953, 9633), (2223, 8463), (2457, 7657), (2821, 6669), (3211, 5859), (3549, 5301), (3591, 5239), (3627, 5187), (4123, 4563)]