18439432

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 38974320

約数和(自身を除く): 20534888

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 121, 172, 242, 344, 443, 473, 484, 886, 946, 968, 1772, 1892, 3544, 3784, 4873, 5203, 9746, 10406, 19049, 19492, 20812, 38098, 38984, 41624, 53603, 76196, 107206, 152392, 209539, 214412, 419078, 428824, 838156, 1676312, 2304929, 4609858, 9219716, 18439432]

約数ペア:

[(1, 18439432), (2, 9219716), (4, 4609858), (8, 2304929), (11, 1676312), (22, 838156), (43, 428824), (44, 419078), (86, 214412), (88, 209539), (121, 152392), (172, 107206), (242, 76196), (344, 53603), (443, 41624), (473, 38984), (484, 38098), (886, 20812), (946, 19492), (968, 19049), (1772, 10406), (1892, 9746), (3544, 5203), (3784, 4873)]