18695866

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{6329}}^1$

素因数の和:6549

約数の個数: 16

約数和(自身を含む): 32207040

約数和(自身を除く): 13511174

約数列:

[1, 2, 7, 14, 211, 422, 1477, 2954, 6329, 12658, 44303, 88606, 1335419, 2670838, 9347933, 18695866]

約数ペア:

[(1, 18695866), (2, 9347933), (7, 2670838), (14, 1335419), (211, 88606), (422, 44303), (1477, 12658), (2954, 6329)]