18218669

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1423}}^1$

素因数の和:1520

約数の個数: 16

約数和(自身を含む): 21872640

約数和(自身を除く): 3653971

約数列:

[1, 7, 31, 59, 217, 413, 1423, 1829, 9961, 12803, 44113, 83957, 308791, 587699, 2602667, 18218669]

約数ペア:

[(1, 18218669), (7, 2602667), (31, 587699), (59, 308791), (217, 83957), (413, 44113), (1423, 12803), (1829, 9961)]