18616976

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1471}}^1$

素因数の和:1599

約数の個数: 40

約数和(自身を含む): 41616384

約数和(自身を除く): 22999408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1471, 1582, 1808, 2942, 3164, 5884, 6328, 10297, 11768, 12656, 20594, 23536, 41188, 82376, 164752, 166223, 332446, 664892, 1163561, 1329784, 2327122, 2659568, 4654244, 9308488, 18616976]

約数ペア:

[(1, 18616976), (2, 9308488), (4, 4654244), (7, 2659568), (8, 2327122), (14, 1329784), (16, 1163561), (28, 664892), (56, 332446), (112, 166223), (113, 164752), (226, 82376), (452, 41188), (791, 23536), (904, 20594), (1471, 12656), (1582, 11768), (1808, 10297), (2942, 6328), (3164, 5884)]