18318621184

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67891}}^1$

素因数の和:67957

約数の個数: 80

約数和(自身を含む): 40005225216

約数和(自身を除く): 21686604032

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 256, 272, 496, 512, 527, 544, 992, 1054, 1088, 1984, 2108, 2176, 3968, 4216, 4352, 7936, 8432, 8704, 15872, 16864, 33728, 67456, 67891, 134912, 135782, 269824, 271564, 543128, 1086256, 1154147, 2104621, 2172512, 2308294, 4209242, 4345024, 4616588, 8418484, 8690048, 9233176, 16836968, 17380096, 18466352, 33673936, 34760192, 35778557, 36932704, 67347872, 71557114, 73865408, 134695744, 143114228, 147730816, 269391488, 286228456, 295461632, 538782976, 572456912, 590923264, 1077565952, 1144913824, 2289827648, 4579655296, 9159310592, 18318621184]

約数ペア:

[(1, 18318621184), (2, 9159310592), (4, 4579655296), (8, 2289827648), (16, 1144913824), (17, 1077565952), (31, 590923264), (32, 572456912), (34, 538782976), (62, 295461632), (64, 286228456), (68, 269391488), (124, 147730816), (128, 143114228), (136, 134695744), (248, 73865408), (256, 71557114), (272, 67347872), (496, 36932704), (512, 35778557), (527, 34760192), (544, 33673936), (992, 18466352), (1054, 17380096), (1088, 16836968), (1984, 9233176), (2108, 8690048), (2176, 8418484), (3968, 4616588), (4216, 4345024), (4352, 4209242), (7936, 2308294), (8432, 2172512), (8704, 2104621), (15872, 1154147), (16864, 1086256), (33728, 543128), (67456, 271564), (67891, 269824), (134912, 135782)]