19846288

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 48746880

約数和(自身を除く): 28900592

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 89, 112, 154, 176, 178, 181, 308, 356, 362, 616, 623, 712, 724, 979, 1232, 1246, 1267, 1424, 1448, 1958, 1991, 2492, 2534, 2896, 3916, 3982, 4984, 5068, 6853, 7832, 7964, 9968, 10136, 13706, 13937, 15664, 15928, 16109, 20272, 27412, 27874, 31856, 32218, 54824, 55748, 64436, 109648, 111496, 112763, 128872, 177199, 222992, 225526, 257744, 354398, 451052, 708796, 902104, 1240393, 1417592, 1804208, 2480786, 2835184, 4961572, 9923144, 19846288]

約数ペア:

[(1, 19846288), (2, 9923144), (4, 4961572), (7, 2835184), (8, 2480786), (11, 1804208), (14, 1417592), (16, 1240393), (22, 902104), (28, 708796), (44, 451052), (56, 354398), (77, 257744), (88, 225526), (89, 222992), (112, 177199), (154, 128872), (176, 112763), (178, 111496), (181, 109648), (308, 64436), (356, 55748), (362, 54824), (616, 32218), (623, 31856), (712, 27874), (724, 27412), (979, 20272), (1232, 16109), (1246, 15928), (1267, 15664), (1424, 13937), (1448, 13706), (1958, 10136), (1991, 9968), (2492, 7964), (2534, 7832), (2896, 6853), (3916, 5068), (3982, 4984)]