20180490913

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{887}}^1\times {\mathrm{977}}^1$

素因数の和:1977

約数の個数: 32

約数和(自身を含む): 23135880960

約数和(自身を除く): 2955390047

約数列:

[1, 11, 29, 73, 319, 803, 887, 977, 2117, 9757, 10747, 23287, 25723, 28333, 64751, 71321, 282953, 311663, 712261, 784531, 866599, 1877779, 2068309, 9532589, 20655569, 22751399, 25131371, 63261727, 276445081, 695878997, 1834590083, 20180490913]

約数ペア:

[(1, 20180490913), (11, 1834590083), (29, 695878997), (73, 276445081), (319, 63261727), (803, 25131371), (887, 22751399), (977, 20655569), (2117, 9532589), (9757, 2068309), (10747, 1877779), (23287, 866599), (25723, 784531), (28333, 712261), (64751, 311663), (71321, 282953)]