19968536

素因数分解:

$2^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1217}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 42971040

約数和(自身を除く): 23002504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 293, 586, 1172, 1217, 2051, 2344, 2434, 4102, 4868, 8204, 8519, 9736, 16408, 17038, 34076, 68152, 356581, 713162, 1426324, 2496067, 2852648, 4992134, 9984268, 19968536]

約数ペア:

[(1, 19968536), (2, 9984268), (4, 4992134), (7, 2852648), (8, 2496067), (14, 1426324), (28, 713162), (56, 356581), (293, 68152), (586, 34076), (1172, 17038), (1217, 16408), (2051, 9736), (2344, 8519), (2434, 8204), (4102, 4868)]