19892646

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{15139}}^1$

素因数の和:15220

約数の個数: 24

約数和(自身を含む): 43694040

約数和(自身を除く): 23801394

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 15139, 30278, 45417, 90834, 136251, 272502, 1105147, 2210294, 3315441, 6630882, 9946323, 19892646]

約数ペア:

[(1, 19892646), (2, 9946323), (3, 6630882), (6, 3315441), (9, 2210294), (18, 1105147), (73, 272502), (146, 136251), (219, 90834), (438, 45417), (657, 30278), (1314, 15139)]