201920030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{81749}}^1$

素因数の和:81788

約数の個数: 32

約数和(自身を含む): 412020000

約数和(自身を除く): 210099970

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 81749, 163498, 408745, 817490, 1062737, 1553231, 2125474, 3106462, 5313685, 7766155, 10627370, 15532310, 20192003, 40384006, 100960015, 201920030]

約数ペア:

[(1, 201920030), (2, 100960015), (5, 40384006), (10, 20192003), (13, 15532310), (19, 10627370), (26, 7766155), (38, 5313685), (65, 3106462), (95, 2125474), (130, 1553231), (190, 1062737), (247, 817490), (494, 408745), (1235, 163498), (2470, 81749)]