19180112

素因数分解:

$2^4\times 7^1\times {\mathrm{171251}}^1$

素因数の和:171266

約数の個数: 20

約数和(自身を含む): 42470496

約数和(自身を除く): 23290384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 171251, 342502, 685004, 1198757, 1370008, 2397514, 2740016, 4795028, 9590056, 19180112]

約数ペア:

[(1, 19180112), (2, 9590056), (4, 4795028), (7, 2740016), (8, 2397514), (14, 1370008), (16, 1198757), (28, 685004), (56, 342502), (112, 171251)]