18984952

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2549}}^1$

素因数の和:2588

約数の個数: 48

約数和(自身を含む): 43605000

約数和(自身を除く): 24620048

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 392, 532, 931, 1064, 1862, 2549, 3724, 5098, 7448, 10196, 17843, 20392, 35686, 48431, 71372, 96862, 124901, 142744, 193724, 249802, 339017, 387448, 499604, 678034, 999208, 1356068, 2373119, 2712136, 4746238, 9492476, 18984952]

約数ペア:

[(1, 18984952), (2, 9492476), (4, 4746238), (7, 2712136), (8, 2373119), (14, 1356068), (19, 999208), (28, 678034), (38, 499604), (49, 387448), (56, 339017), (76, 249802), (98, 193724), (133, 142744), (152, 124901), (196, 96862), (266, 71372), (392, 48431), (532, 35686), (931, 20392), (1064, 17843), (1862, 10196), (2549, 7448), (3724, 5098)]