19997568

素因数分解:

$2^7\times 3^2\times {\mathrm{17359}}^1$

素因数の和:17379

約数の個数: 48

約数和(自身を含む): 57548400

約数和(自身を除く): 37550832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 17359, 34718, 52077, 69436, 104154, 138872, 156231, 208308, 277744, 312462, 416616, 555488, 624924, 833232, 1110976, 1249848, 1666464, 2221952, 2499696, 3332928, 4999392, 6665856, 9998784, 19997568]

約数ペア:

[(1, 19997568), (2, 9998784), (3, 6665856), (4, 4999392), (6, 3332928), (8, 2499696), (9, 2221952), (12, 1666464), (16, 1249848), (18, 1110976), (24, 833232), (32, 624924), (36, 555488), (48, 416616), (64, 312462), (72, 277744), (96, 208308), (128, 156231), (144, 138872), (192, 104154), (288, 69436), (384, 52077), (576, 34718), (1152, 17359)]