18529693

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 24450720

約数和(自身を除く): 5921027

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1531, 1729, 10717, 12103, 19903, 29089, 75019, 139321, 203623, 378157, 975247, 1425361, 2647099, 18529693]

約数ペア:

[(1, 18529693), (7, 2647099), (13, 1425361), (19, 975247), (49, 378157), (91, 203623), (133, 139321), (247, 75019), (637, 29089), (931, 19903), (1531, 12103), (1729, 10717)]