19933712

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{8963}}^1$

素因数の和:9110

約数の個数: 20

約数和(自身を含む): 38903760

約数和(自身を除く): 18970048

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 8963, 17926, 35852, 71704, 143408, 1245857, 2491714, 4983428, 9966856, 19933712]

約数ペア:

[(1, 19933712), (2, 9966856), (4, 4983428), (8, 2491714), (16, 1245857), (139, 143408), (278, 71704), (556, 35852), (1112, 17926), (2224, 8963)]