18906218

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4999}}^1$

素因数の和:5093

約数の個数: 16

約数和(自身を含む): 29760000

約数和(自身を除く): 10853782

約数列:

[1, 2, 31, 61, 62, 122, 1891, 3782, 4999, 9998, 154969, 304939, 309938, 609878, 9453109, 18906218]

約数ペア:

[(1, 18906218), (2, 9453109), (31, 609878), (61, 309938), (62, 304939), (122, 154969), (1891, 9998), (3782, 4999)]