19979232

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2287}}^1$

素因数の和:2320

約数の個数: 96

約数和(自身を含む): 64576512

約数和(自身を除く): 44597280

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 78, 84, 91, 96, 104, 112, 156, 168, 182, 208, 224, 273, 312, 336, 364, 416, 546, 624, 672, 728, 1092, 1248, 1456, 2184, 2287, 2912, 4368, 4574, 6861, 8736, 9148, 13722, 16009, 18296, 27444, 29731, 32018, 36592, 48027, 54888, 59462, 64036, 73184, 89193, 96054, 109776, 118924, 128072, 178386, 192108, 208117, 219552, 237848, 256144, 356772, 384216, 416234, 475696, 512288, 624351, 713544, 768432, 832468, 951392, 1248702, 1427088, 1536864, 1664936, 2497404, 2854176, 3329872, 4994808, 6659744, 9989616, 19979232]

約数ペア:

[(1, 19979232), (2, 9989616), (3, 6659744), (4, 4994808), (6, 3329872), (7, 2854176), (8, 2497404), (12, 1664936), (13, 1536864), (14, 1427088), (16, 1248702), (21, 951392), (24, 832468), (26, 768432), (28, 713544), (32, 624351), (39, 512288), (42, 475696), (48, 416234), (52, 384216), (56, 356772), (78, 256144), (84, 237848), (91, 219552), (96, 208117), (104, 192108), (112, 178386), (156, 128072), (168, 118924), (182, 109776), (208, 96054), (224, 89193), (273, 73184), (312, 64036), (336, 59462), (364, 54888), (416, 48027), (546, 36592), (624, 32018), (672, 29731), (728, 27444), (1092, 18296), (1248, 16009), (1456, 13722), (2184, 9148), (2287, 8736), (2912, 6861), (4368, 4574)]