18996768

素因数分解:

$2^5\times 3^5\times 7^1\times {\mathrm{349}}^1$

素因数の和:381

約数の個数: 144

約数和(自身を含む): 64209600

約数和(自身を除く): 45212832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 216, 224, 243, 252, 288, 324, 336, 349, 378, 432, 486, 504, 567, 648, 672, 698, 756, 864, 972, 1008, 1047, 1134, 1296, 1396, 1512, 1701, 1944, 2016, 2094, 2268, 2443, 2592, 2792, 3024, 3141, 3402, 3888, 4188, 4536, 4886, 5584, 6048, 6282, 6804, 7329, 7776, 8376, 9072, 9423, 9772, 11168, 12564, 13608, 14658, 16752, 18144, 18846, 19544, 21987, 25128, 27216, 28269, 29316, 33504, 37692, 39088, 43974, 50256, 54432, 56538, 58632, 65961, 75384, 78176, 84807, 87948, 100512, 113076, 117264, 131922, 150768, 169614, 175896, 197883, 226152, 234528, 263844, 301536, 339228, 351792, 395766, 452304, 527688, 593649, 678456, 703584, 791532, 904608, 1055376, 1187298, 1356912, 1583064, 2110752, 2374596, 2713824, 3166128, 4749192, 6332256, 9498384, 18996768]

約数ペア:

[(1, 18996768), (2, 9498384), (3, 6332256), (4, 4749192), (6, 3166128), (7, 2713824), (8, 2374596), (9, 2110752), (12, 1583064), (14, 1356912), (16, 1187298), (18, 1055376), (21, 904608), (24, 791532), (27, 703584), (28, 678456), (32, 593649), (36, 527688), (42, 452304), (48, 395766), (54, 351792), (56, 339228), (63, 301536), (72, 263844), (81, 234528), (84, 226152), (96, 197883), (108, 175896), (112, 169614), (126, 150768), (144, 131922), (162, 117264), (168, 113076), (189, 100512), (216, 87948), (224, 84807), (243, 78176), (252, 75384), (288, 65961), (324, 58632), (336, 56538), (349, 54432), (378, 50256), (432, 43974), (486, 39088), (504, 37692), (567, 33504), (648, 29316), (672, 28269), (698, 27216), (756, 25128), (864, 21987), (972, 19544), (1008, 18846), (1047, 18144), (1134, 16752), (1296, 14658), (1396, 13608), (1512, 12564), (1701, 11168), (1944, 9772), (2016, 9423), (2094, 9072), (2268, 8376), (2443, 7776), (2592, 7329), (2792, 6804), (3024, 6282), (3141, 6048), (3402, 5584), (3888, 4886), (4188, 4536)]