18640678656

素因数分解:

$2^8\times 3^1\times {\mathrm{61}}^1\times {\mathrm{397897}}^1$

素因数の和:397977

約数の個数: 72

約数和(自身を含む): 50424817744

約数和(自身を除く): 31784139088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 128, 183, 192, 244, 256, 366, 384, 488, 732, 768, 976, 1464, 1952, 2928, 3904, 5856, 7808, 11712, 15616, 23424, 46848, 397897, 795794, 1193691, 1591588, 2387382, 3183176, 4774764, 6366352, 9549528, 12732704, 19099056, 24271717, 25465408, 38198112, 48543434, 50930816, 72815151, 76396224, 97086868, 101861632, 145630302, 152792448, 194173736, 291260604, 305584896, 388347472, 582521208, 776694944, 1165042416, 1553389888, 2330084832, 3106779776, 4660169664, 6213559552, 9320339328, 18640678656]

約数ペア:

[(1, 18640678656), (2, 9320339328), (3, 6213559552), (4, 4660169664), (6, 3106779776), (8, 2330084832), (12, 1553389888), (16, 1165042416), (24, 776694944), (32, 582521208), (48, 388347472), (61, 305584896), (64, 291260604), (96, 194173736), (122, 152792448), (128, 145630302), (183, 101861632), (192, 97086868), (244, 76396224), (256, 72815151), (366, 50930816), (384, 48543434), (488, 38198112), (732, 25465408), (768, 24271717), (976, 19099056), (1464, 12732704), (1952, 9549528), (2928, 6366352), (3904, 4774764), (5856, 3183176), (7808, 2387382), (11712, 1591588), (15616, 1193691), (23424, 795794), (46848, 397897)]