19903754

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1014

約数の個数: 32

約数和(自身を含む): 34668480

約数和(自身を除く): 14764726

約数列:

[1, 2, 13, 19, 26, 38, 43, 86, 247, 494, 559, 817, 937, 1118, 1634, 1874, 10621, 12181, 17803, 21242, 24362, 35606, 40291, 80582, 231439, 462878, 523783, 765529, 1047566, 1531058, 9951877, 19903754]

約数ペア:

[(1, 19903754), (2, 9951877), (13, 1531058), (19, 1047566), (26, 765529), (38, 523783), (43, 462878), (86, 231439), (247, 80582), (494, 40291), (559, 35606), (817, 24362), (937, 21242), (1118, 17803), (1634, 12181), (1874, 10621)]