19827808

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:660

約数の個数: 96

約数和(自身を含む): 52496640

約数和(自身を除く): 32668832

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 286, 308, 352, 364, 416, 572, 616, 619, 728, 1001, 1144, 1232, 1238, 1456, 2002, 2288, 2464, 2476, 2912, 4004, 4333, 4576, 4952, 6809, 8008, 8047, 8666, 9904, 13618, 16016, 16094, 17332, 19808, 27236, 32032, 32188, 34664, 47663, 54472, 56329, 64376, 69328, 88517, 95326, 108944, 112658, 128752, 138656, 177034, 190652, 217888, 225316, 257504, 354068, 381304, 450632, 619619, 708136, 762608, 901264, 1239238, 1416272, 1525216, 1802528, 2478476, 2832544, 4956952, 9913904, 19827808]

約数ペア:

[(1, 19827808), (2, 9913904), (4, 4956952), (7, 2832544), (8, 2478476), (11, 1802528), (13, 1525216), (14, 1416272), (16, 1239238), (22, 901264), (26, 762608), (28, 708136), (32, 619619), (44, 450632), (52, 381304), (56, 354068), (77, 257504), (88, 225316), (91, 217888), (104, 190652), (112, 177034), (143, 138656), (154, 128752), (176, 112658), (182, 108944), (208, 95326), (224, 88517), (286, 69328), (308, 64376), (352, 56329), (364, 54472), (416, 47663), (572, 34664), (616, 32188), (619, 32032), (728, 27236), (1001, 19808), (1144, 17332), (1232, 16094), (1238, 16016), (1456, 13618), (2002, 9904), (2288, 8666), (2464, 8047), (2476, 8008), (2912, 6809), (4004, 4952), (4333, 4576)]