19956246464

素因数分解:

$2^6\times 7^2\times {\mathrm{11}}^1\times {\mathrm{578509}}^1$

素因数の和:578546

約数の個数: 84

約数和(自身を含む): 50254006680

約数和(自身を除く): 30297760216

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 448, 539, 616, 704, 784, 1078, 1232, 1568, 2156, 2464, 3136, 4312, 4928, 8624, 17248, 34496, 578509, 1157018, 2314036, 4049563, 4628072, 6363599, 8099126, 9256144, 12727198, 16198252, 18512288, 25454396, 28346941, 32396504, 37024576, 44545193, 50908792, 56693882, 64793008, 89090386, 101817584, 113387764, 129586016, 178180772, 203635168, 226775528, 259172032, 311816351, 356361544, 407270336, 453551056, 623632702, 712723088, 907102112, 1247265404, 1425446176, 1814204224, 2494530808, 2850892352, 4989061616, 9978123232, 19956246464]

約数ペア:

[(1, 19956246464), (2, 9978123232), (4, 4989061616), (7, 2850892352), (8, 2494530808), (11, 1814204224), (14, 1425446176), (16, 1247265404), (22, 907102112), (28, 712723088), (32, 623632702), (44, 453551056), (49, 407270336), (56, 356361544), (64, 311816351), (77, 259172032), (88, 226775528), (98, 203635168), (112, 178180772), (154, 129586016), (176, 113387764), (196, 101817584), (224, 89090386), (308, 64793008), (352, 56693882), (392, 50908792), (448, 44545193), (539, 37024576), (616, 32396504), (704, 28346941), (784, 25454396), (1078, 18512288), (1232, 16198252), (1568, 12727198), (2156, 9256144), (2464, 8099126), (3136, 6363599), (4312, 4628072), (4928, 4049563), (8624, 2314036), (17248, 1157018), (34496, 578509)]