19740816

素因数分解:

$2^4\times 3^2\times {\mathrm{137089}}^1$

素因数の和:137103

約数の個数: 30

約数和(自身を含む): 55247270

約数和(自身を除く): 35506454

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 137089, 274178, 411267, 548356, 822534, 1096712, 1233801, 1645068, 2193424, 2467602, 3290136, 4935204, 6580272, 9870408, 19740816]

約数ペア:

[(1, 19740816), (2, 9870408), (3, 6580272), (4, 4935204), (6, 3290136), (8, 2467602), (9, 2193424), (12, 1645068), (16, 1233801), (18, 1096712), (24, 822534), (36, 548356), (48, 411267), (72, 274178), (144, 137089)]