18213975904

素因数分解:

$2^5\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{73643}}^1$

素因数の和:73843

約数の個数: 48

約数和(自身を含む): 36745410240

約数和(自身を除く): 18531434336

約数列:

[1, 2, 4, 8, 16, 32, 59, 118, 131, 236, 262, 472, 524, 944, 1048, 1888, 2096, 4192, 7729, 15458, 30916, 61832, 73643, 123664, 147286, 247328, 294572, 589144, 1178288, 2356576, 4344937, 8689874, 9647233, 17379748, 19294466, 34759496, 38588932, 69518992, 77177864, 139037984, 154355728, 308711456, 569186747, 1138373494, 2276746988, 4553493976, 9106987952, 18213975904]

約数ペア:

[(1, 18213975904), (2, 9106987952), (4, 4553493976), (8, 2276746988), (16, 1138373494), (32, 569186747), (59, 308711456), (118, 154355728), (131, 139037984), (236, 77177864), (262, 69518992), (472, 38588932), (524, 34759496), (944, 19294466), (1048, 17379748), (1888, 9647233), (2096, 8689874), (4192, 4344937), (7729, 2356576), (15458, 1178288), (30916, 589144), (61832, 294572), (73643, 247328), (123664, 147286)]