18737936

素因数分解:

$2^4\times 7^1\times {\mathrm{293}}^1\times {\mathrm{571}}^1$

素因数の和:879

約数の個数: 40

約数和(自身を含む): 41705664

約数和(自身を除く): 22967728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 293, 571, 586, 1142, 1172, 2051, 2284, 2344, 3997, 4102, 4568, 4688, 7994, 8204, 9136, 15988, 16408, 31976, 32816, 63952, 167303, 334606, 669212, 1171121, 1338424, 2342242, 2676848, 4684484, 9368968, 18737936]

約数ペア:

[(1, 18737936), (2, 9368968), (4, 4684484), (7, 2676848), (8, 2342242), (14, 1338424), (16, 1171121), (28, 669212), (56, 334606), (112, 167303), (293, 63952), (571, 32816), (586, 31976), (1142, 16408), (1172, 15988), (2051, 9136), (2284, 8204), (2344, 7994), (3997, 4688), (4102, 4568)]