18970952

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 50319360

約数和(自身を除く): 31348408

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 23, 26, 28, 44, 46, 52, 56, 77, 88, 91, 92, 103, 104, 143, 154, 161, 182, 184, 206, 253, 286, 299, 308, 322, 364, 412, 506, 572, 598, 616, 644, 721, 728, 824, 1001, 1012, 1133, 1144, 1196, 1288, 1339, 1442, 1771, 2002, 2024, 2093, 2266, 2369, 2392, 2678, 2884, 3289, 3542, 4004, 4186, 4532, 4738, 5356, 5768, 6578, 7084, 7931, 8008, 8372, 9064, 9373, 9476, 10712, 13156, 14168, 14729, 15862, 16583, 16744, 18746, 18952, 23023, 26059, 26312, 29458, 30797, 31724, 33166, 37492, 46046, 52118, 58916, 61594, 63448, 66332, 74984, 92092, 103103, 104236, 117832, 123188, 132664, 182413, 184184, 206206, 208472, 215579, 246376, 338767, 364826, 412412, 431158, 677534, 729652, 824824, 862316, 1355068, 1459304, 1724632, 2371369, 2710136, 4742738, 9485476, 18970952]

約数ペア:

[(1, 18970952), (2, 9485476), (4, 4742738), (7, 2710136), (8, 2371369), (11, 1724632), (13, 1459304), (14, 1355068), (22, 862316), (23, 824824), (26, 729652), (28, 677534), (44, 431158), (46, 412412), (52, 364826), (56, 338767), (77, 246376), (88, 215579), (91, 208472), (92, 206206), (103, 184184), (104, 182413), (143, 132664), (154, 123188), (161, 117832), (182, 104236), (184, 103103), (206, 92092), (253, 74984), (286, 66332), (299, 63448), (308, 61594), (322, 58916), (364, 52118), (412, 46046), (506, 37492), (572, 33166), (598, 31724), (616, 30797), (644, 29458), (721, 26312), (728, 26059), (824, 23023), (1001, 18952), (1012, 18746), (1133, 16744), (1144, 16583), (1196, 15862), (1288, 14729), (1339, 14168), (1442, 13156), (1771, 10712), (2002, 9476), (2024, 9373), (2093, 9064), (2266, 8372), (2369, 8008), (2392, 7931), (2678, 7084), (2884, 6578), (3289, 5768), (3542, 5356), (4004, 4738), (4186, 4532)]