19923904

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:354

約数の個数: 112

約数和(自身を含む): 53254656

約数和(自身を除く): 33330752

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 286, 308, 311, 352, 364, 416, 448, 572, 616, 622, 704, 728, 832, 1001, 1144, 1232, 1244, 1456, 2002, 2177, 2288, 2464, 2488, 2912, 3421, 4004, 4043, 4354, 4576, 4928, 4976, 5824, 6842, 8008, 8086, 8708, 9152, 9952, 13684, 16016, 16172, 17416, 19904, 23947, 27368, 28301, 32032, 32344, 34832, 44473, 47894, 54736, 56602, 64064, 64688, 69664, 88946, 95788, 109472, 113204, 129376, 139328, 177892, 191576, 218944, 226408, 258752, 311311, 355784, 383152, 452816, 622622, 711568, 766304, 905632, 1245244, 1423136, 1532608, 1811264, 2490488, 2846272, 4980976, 9961952, 19923904]

約数ペア:

[(1, 19923904), (2, 9961952), (4, 4980976), (7, 2846272), (8, 2490488), (11, 1811264), (13, 1532608), (14, 1423136), (16, 1245244), (22, 905632), (26, 766304), (28, 711568), (32, 622622), (44, 452816), (52, 383152), (56, 355784), (64, 311311), (77, 258752), (88, 226408), (91, 218944), (104, 191576), (112, 177892), (143, 139328), (154, 129376), (176, 113204), (182, 109472), (208, 95788), (224, 88946), (286, 69664), (308, 64688), (311, 64064), (352, 56602), (364, 54736), (416, 47894), (448, 44473), (572, 34832), (616, 32344), (622, 32032), (704, 28301), (728, 27368), (832, 23947), (1001, 19904), (1144, 17416), (1232, 16172), (1244, 16016), (1456, 13684), (2002, 9952), (2177, 9152), (2288, 8708), (2464, 8086), (2488, 8008), (2912, 6842), (3421, 5824), (4004, 4976), (4043, 4928), (4354, 4576)]