19279904

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 47246976

約数和(自身を除く): 27967072

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 61, 68, 83, 112, 119, 122, 136, 166, 224, 238, 244, 272, 332, 427, 476, 488, 544, 581, 664, 854, 952, 976, 1037, 1162, 1328, 1411, 1708, 1904, 1952, 2074, 2324, 2656, 2822, 3416, 3808, 4148, 4648, 5063, 5644, 6832, 7259, 8296, 9296, 9877, 10126, 11288, 13664, 14518, 16592, 18592, 19754, 20252, 22576, 29036, 33184, 35441, 39508, 40504, 45152, 58072, 70882, 79016, 81008, 86071, 116144, 141764, 158032, 162016, 172142, 232288, 283528, 316064, 344284, 567056, 602497, 688568, 1134112, 1204994, 1377136, 2409988, 2754272, 4819976, 9639952, 19279904]

約数ペア:

[(1, 19279904), (2, 9639952), (4, 4819976), (7, 2754272), (8, 2409988), (14, 1377136), (16, 1204994), (17, 1134112), (28, 688568), (32, 602497), (34, 567056), (56, 344284), (61, 316064), (68, 283528), (83, 232288), (112, 172142), (119, 162016), (122, 158032), (136, 141764), (166, 116144), (224, 86071), (238, 81008), (244, 79016), (272, 70882), (332, 58072), (427, 45152), (476, 40504), (488, 39508), (544, 35441), (581, 33184), (664, 29036), (854, 22576), (952, 20252), (976, 19754), (1037, 18592), (1162, 16592), (1328, 14518), (1411, 13664), (1708, 11288), (1904, 10126), (1952, 9877), (2074, 9296), (2324, 8296), (2656, 7259), (2822, 6832), (3416, 5644), (3808, 5063), (4148, 4648)]