18927896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 41065920

約数和(自身を除く): 22138024

約数列:

[1, 2, 4, 8, 13, 23, 26, 41, 46, 52, 82, 92, 104, 164, 184, 193, 299, 328, 386, 533, 598, 772, 943, 1066, 1196, 1544, 1886, 2132, 2392, 2509, 3772, 4264, 4439, 5018, 7544, 7913, 8878, 10036, 12259, 15826, 17756, 20072, 24518, 31652, 35512, 49036, 57707, 63304, 98072, 102869, 115414, 181999, 205738, 230828, 363998, 411476, 461656, 727996, 822952, 1455992, 2365987, 4731974, 9463948, 18927896]

約数ペア:

[(1, 18927896), (2, 9463948), (4, 4731974), (8, 2365987), (13, 1455992), (23, 822952), (26, 727996), (41, 461656), (46, 411476), (52, 363998), (82, 230828), (92, 205738), (104, 181999), (164, 115414), (184, 102869), (193, 98072), (299, 63304), (328, 57707), (386, 49036), (533, 35512), (598, 31652), (772, 24518), (943, 20072), (1066, 17756), (1196, 15826), (1544, 12259), (1886, 10036), (2132, 8878), (2392, 7913), (2509, 7544), (3772, 5018), (4264, 4439)]