18971062

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{9689}}^1$

素因数の和:9791

約数の個数: 16

約数和(自身を含む): 31395600

約数和(自身を除く): 12424538

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 9689, 19378, 106579, 213158, 862321, 1724642, 9485531, 18971062]

約数ペア:

[(1, 18971062), (2, 9485531), (11, 1724642), (22, 862321), (89, 213158), (178, 106579), (979, 19378), (1958, 9689)]