19784738

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{22637}}^1$

素因数の和:22681

約数の個数: 16

約数和(自身を含む): 32598720

約数和(自身を除く): 12813982

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 22637, 45274, 430103, 520651, 860206, 1041302, 9892369, 19784738]

約数ペア:

[(1, 19784738), (2, 9892369), (19, 1041302), (23, 860206), (38, 520651), (46, 430103), (437, 45274), (874, 22637)]