19803776

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 24260224

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 272, 304, 323, 479, 544, 608, 646, 958, 1088, 1216, 1292, 1916, 2176, 2432, 2584, 3832, 5168, 7664, 8143, 9101, 10336, 15328, 16286, 18202, 20672, 30656, 32572, 36404, 41344, 61312, 65144, 72808, 130288, 145616, 154717, 260576, 291232, 309434, 521152, 582464, 618868, 1042304, 1164928, 1237736, 2475472, 4950944, 9901888, 19803776]

約数ペア:

[(1, 19803776), (2, 9901888), (4, 4950944), (8, 2475472), (16, 1237736), (17, 1164928), (19, 1042304), (32, 618868), (34, 582464), (38, 521152), (64, 309434), (68, 291232), (76, 260576), (128, 154717), (136, 145616), (152, 130288), (272, 72808), (304, 65144), (323, 61312), (479, 41344), (544, 36404), (608, 32572), (646, 30656), (958, 20672), (1088, 18202), (1216, 16286), (1292, 15328), (1916, 10336), (2176, 9101), (2432, 8143), (2584, 7664), (3832, 5168)]