19085794

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 36542016

約数和(自身を除く): 17456222

約数列:

[1, 2, 7, 13, 14, 26, 49, 71, 91, 98, 142, 182, 211, 422, 497, 637, 923, 994, 1274, 1477, 1846, 2743, 2954, 3479, 5486, 6461, 6958, 10339, 12922, 14981, 19201, 20678, 29962, 38402, 45227, 90454, 104867, 134407, 194753, 209734, 268814, 389506, 734069, 1363271, 1468138, 2726542, 9542897, 19085794]

約数ペア:

[(1, 19085794), (2, 9542897), (7, 2726542), (13, 1468138), (14, 1363271), (26, 734069), (49, 389506), (71, 268814), (91, 209734), (98, 194753), (142, 134407), (182, 104867), (211, 90454), (422, 45227), (497, 38402), (637, 29962), (923, 20678), (994, 19201), (1274, 14981), (1477, 12922), (1846, 10339), (2743, 6958), (2954, 6461), (3479, 5486)]