20192315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 29417472

約数和(自身を除く): 9225157

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 341, 403, 715, 911, 1705, 2015, 4433, 4555, 10021, 11843, 22165, 28241, 50105, 59215, 130273, 141205, 310651, 367133, 651365, 1553255, 1835665, 4038463, 20192315]

約数ペア:

[(1, 20192315), (5, 4038463), (11, 1835665), (13, 1553255), (31, 651365), (55, 367133), (65, 310651), (143, 141205), (155, 130273), (341, 59215), (403, 50105), (715, 28241), (911, 22165), (1705, 11843), (2015, 10021), (4433, 4555)]