18667812

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 45803520

約数和(自身を除く): 27135708

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 239, 276, 283, 478, 566, 717, 849, 956, 1132, 1434, 1698, 2868, 3396, 5497, 6509, 10994, 13018, 16491, 19527, 21988, 26036, 32982, 39054, 65964, 67637, 78108, 135274, 202911, 270548, 405822, 811644, 1555651, 3111302, 4666953, 6222604, 9333906, 18667812]

約数ペア:

[(1, 18667812), (2, 9333906), (3, 6222604), (4, 4666953), (6, 3111302), (12, 1555651), (23, 811644), (46, 405822), (69, 270548), (92, 202911), (138, 135274), (239, 78108), (276, 67637), (283, 65964), (478, 39054), (566, 32982), (717, 26036), (849, 21988), (956, 19527), (1132, 16491), (1434, 13018), (1698, 10994), (2868, 6509), (3396, 5497)]