18981712

素因数分解:

$2^4\times {\mathrm{293}}^1\times {\mathrm{4049}}^1$

素因数の和:4350

約数の個数: 20

約数和(自身を含む): 36911700

約数和(自身を除く): 17929988

約数列:

[1, 2, 4, 8, 16, 293, 586, 1172, 2344, 4049, 4688, 8098, 16196, 32392, 64784, 1186357, 2372714, 4745428, 9490856, 18981712]

約数ペア:

[(1, 18981712), (2, 9490856), (4, 4745428), (8, 2372714), (16, 1186357), (293, 64784), (586, 32392), (1172, 16196), (2344, 8098), (4049, 4688)]