19727990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{116047}}^1$

素因数の和:116071

約数の個数: 16

約数和(自身を含む): 37599552

約数和(自身を除く): 17871562

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 116047, 232094, 580235, 1160470, 1972799, 3945598, 9863995, 19727990]

約数ペア:

[(1, 19727990), (2, 9863995), (5, 3945598), (10, 1972799), (17, 1160470), (34, 580235), (85, 232094), (170, 116047)]