19958124628

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1553887}}^1$

素因数の和:1553936

約数の個数: 36

約数和(自身を含む): 39810610560

約数和(自身を除く): 19852485932

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 3211, 6422, 12844, 1553887, 3107774, 6215548, 20200531, 29523853, 40401062, 59047706, 80802124, 118095412, 262606903, 383810089, 525213806, 767620178, 1050427612, 1535240356, 4989531157, 9979062314, 19958124628]

約数ペア:

[(1, 19958124628), (2, 9979062314), (4, 4989531157), (13, 1535240356), (19, 1050427612), (26, 767620178), (38, 525213806), (52, 383810089), (76, 262606903), (169, 118095412), (247, 80802124), (338, 59047706), (494, 40401062), (676, 29523853), (988, 20200531), (3211, 6215548), (6422, 3107774), (12844, 1553887)]