19990464

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{8009}}^1$

素因数の和:8037

約数の個数: 56

約数和(自身を含む): 56967120

約数和(自身を除く): 36976656

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 8009, 16018, 24027, 32036, 48054, 64072, 96108, 104117, 128144, 192216, 208234, 256288, 312351, 384432, 416468, 512576, 624702, 768864, 832936, 1249404, 1537728, 1665872, 2498808, 3331744, 4997616, 6663488, 9995232, 19990464]

約数ペア:

[(1, 19990464), (2, 9995232), (3, 6663488), (4, 4997616), (6, 3331744), (8, 2498808), (12, 1665872), (13, 1537728), (16, 1249404), (24, 832936), (26, 768864), (32, 624702), (39, 512576), (48, 416468), (52, 384432), (64, 312351), (78, 256288), (96, 208234), (104, 192216), (156, 128144), (192, 104117), (208, 96108), (312, 64072), (416, 48054), (624, 32036), (832, 24027), (1248, 16018), (2496, 8009)]