19735096

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 40752720

約数和(自身を除く): 21017624

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 151, 248, 302, 527, 604, 961, 1054, 1208, 1922, 2108, 2567, 3844, 4216, 4681, 5134, 7688, 9362, 10268, 16337, 18724, 20536, 32674, 37448, 65348, 79577, 130696, 145111, 159154, 290222, 318308, 580444, 636616, 1160888, 2466887, 4933774, 9867548, 19735096]

約数ペア:

[(1, 19735096), (2, 9867548), (4, 4933774), (8, 2466887), (17, 1160888), (31, 636616), (34, 580444), (62, 318308), (68, 290222), (124, 159154), (136, 145111), (151, 130696), (248, 79577), (302, 65348), (527, 37448), (604, 32674), (961, 20536), (1054, 18724), (1208, 16337), (1922, 10268), (2108, 9362), (2567, 7688), (3844, 5134), (4216, 4681)]