19102540268

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2531}}^1\times {\mathrm{2617}}^1$

素因数の和:5262

約数の個数: 48

約数和(自身を含む): 38605991424

約数和(自身を除く): 19503451156

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2531, 2617, 2884, 5062, 5234, 10124, 10468, 17717, 18319, 35434, 36638, 70868, 73276, 260693, 269551, 521386, 539102, 1042772, 1078204, 1824851, 1886857, 3649702, 3773714, 6623627, 7299404, 7547428, 13247254, 26494508, 46365389, 92730778, 185461556, 682233581, 1364467162, 2728934324, 4775635067, 9551270134, 19102540268]

約数ペア:

[(1, 19102540268), (2, 9551270134), (4, 4775635067), (7, 2728934324), (14, 1364467162), (28, 682233581), (103, 185461556), (206, 92730778), (412, 46365389), (721, 26494508), (1442, 13247254), (2531, 7547428), (2617, 7299404), (2884, 6623627), (5062, 3773714), (5234, 3649702), (10124, 1886857), (10468, 1824851), (17717, 1078204), (18319, 1042772), (35434, 539102), (36638, 521386), (70868, 269551), (73276, 260693)]