19664406

素因数分解:

$2^1\times 3^2\times {\mathrm{827}}^1\times {\mathrm{1321}}^1$

素因数の和:2156

約数の個数: 24

約数和(自身を含む): 42690024

約数和(自身を除く): 23025618

約数列:

[1, 2, 3, 6, 9, 18, 827, 1321, 1654, 2481, 2642, 3963, 4962, 7443, 7926, 11889, 14886, 23778, 1092467, 2184934, 3277401, 6554802, 9832203, 19664406]

約数ペア:

[(1, 19664406), (2, 9832203), (3, 6554802), (6, 3277401), (9, 2184934), (18, 1092467), (827, 23778), (1321, 14886), (1654, 11889), (2481, 7926), (2642, 7443), (3963, 4962)]