19916298

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{659}}^1$

素因数の和:763

約数の個数: 48

約数和(自身を含む): 45714240

約数和(自身を除く): 25797942

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 73, 138, 146, 207, 219, 414, 438, 657, 659, 1314, 1318, 1679, 1977, 3358, 3954, 5037, 5931, 10074, 11862, 15111, 15157, 30222, 30314, 45471, 48107, 90942, 96214, 136413, 144321, 272826, 288642, 432963, 865926, 1106461, 2212922, 3319383, 6638766, 9958149, 19916298]

約数ペア:

[(1, 19916298), (2, 9958149), (3, 6638766), (6, 3319383), (9, 2212922), (18, 1106461), (23, 865926), (46, 432963), (69, 288642), (73, 272826), (138, 144321), (146, 136413), (207, 96214), (219, 90942), (414, 48107), (438, 45471), (657, 30314), (659, 30222), (1314, 15157), (1318, 15111), (1679, 11862), (1977, 10074), (3358, 5931), (3954, 5037)]