18554858

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{21727}}^1$

素因数の和:21797

約数の個数: 16

約数和(自身を含む): 32331264

約数和(自身を除く): 13776406

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 21727, 43454, 152089, 304178, 1325347, 2650694, 9277429, 18554858]

約数ペア:

[(1, 18554858), (2, 9277429), (7, 2650694), (14, 1325347), (61, 304178), (122, 152089), (427, 43454), (854, 21727)]