19180994

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72109}}^1$

素因数の和:72137

約数の個数: 16

約数和(自身を含む): 34612800

約数和(自身を除く): 15431806

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 72109, 144218, 504763, 1009526, 1370071, 2740142, 9590497, 19180994]

約数ペア:

[(1, 19180994), (2, 9590497), (7, 2740142), (14, 1370071), (19, 1009526), (38, 504763), (133, 144218), (266, 72109)]