18723835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15161}}^1$

素因数の和:15198

約数の個数: 16

約数和(自身を含む): 25472160

約数和(自身を除く): 6748325

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 15161, 75805, 197093, 288059, 985465, 1440295, 3744767, 18723835]

約数ペア:

[(1, 18723835), (5, 3744767), (13, 1440295), (19, 985465), (65, 288059), (95, 197093), (247, 75805), (1235, 15161)]