19692478208

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{83341}}^1$

素因数の和:83441

約数の個数: 72

約数和(自身を含む): 42928464096

約数和(自身を除く): 23235985888

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 128, 142, 208, 256, 284, 416, 568, 832, 923, 1136, 1664, 1846, 2272, 3328, 3692, 4544, 7384, 9088, 14768, 18176, 29536, 59072, 83341, 118144, 166682, 236288, 333364, 666728, 1083433, 1333456, 2166866, 2666912, 4333732, 5333824, 5917211, 8667464, 10667648, 11834422, 17334928, 21335296, 23668844, 34669856, 47337688, 69339712, 76923743, 94675376, 138679424, 153847486, 189350752, 277358848, 307694972, 378701504, 615389944, 757403008, 1230779888, 1514806016, 2461559776, 4923119552, 9846239104, 19692478208]

約数ペア:

[(1, 19692478208), (2, 9846239104), (4, 4923119552), (8, 2461559776), (13, 1514806016), (16, 1230779888), (26, 757403008), (32, 615389944), (52, 378701504), (64, 307694972), (71, 277358848), (104, 189350752), (128, 153847486), (142, 138679424), (208, 94675376), (256, 76923743), (284, 69339712), (416, 47337688), (568, 34669856), (832, 23668844), (923, 21335296), (1136, 17334928), (1664, 11834422), (1846, 10667648), (2272, 8667464), (3328, 5917211), (3692, 5333824), (4544, 4333732), (7384, 2666912), (9088, 2166866), (14768, 1333456), (18176, 1083433), (29536, 666728), (59072, 333364), (83341, 236288), (118144, 166682)]