18927818

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 17269462

約数列:

[1, 2, 7, 13, 14, 26, 49, 83, 91, 98, 166, 179, 182, 358, 581, 637, 1079, 1162, 1253, 1274, 2158, 2327, 2506, 4067, 4654, 7553, 8134, 8771, 14857, 15106, 16289, 17542, 29714, 32578, 52871, 103999, 105742, 114023, 193141, 207998, 228046, 386282, 727993, 1351987, 1455986, 2703974, 9463909, 18927818]

約数ペア:

[(1, 18927818), (2, 9463909), (7, 2703974), (13, 1455986), (14, 1351987), (26, 727993), (49, 386282), (83, 228046), (91, 207998), (98, 193141), (166, 114023), (179, 105742), (182, 103999), (358, 52871), (581, 32578), (637, 29714), (1079, 17542), (1162, 16289), (1253, 15106), (1274, 14857), (2158, 8771), (2327, 8134), (2506, 7553), (4067, 4654)]