18837896

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{577}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 44945280

約数和(自身を除く): 26107384

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 53, 56, 77, 88, 106, 154, 212, 308, 371, 424, 577, 583, 616, 742, 1154, 1166, 1484, 2308, 2332, 2968, 4039, 4081, 4616, 4664, 6347, 8078, 8162, 12694, 16156, 16324, 25388, 30581, 32312, 32648, 44429, 50776, 61162, 88858, 122324, 177716, 214067, 244648, 336391, 355432, 428134, 672782, 856268, 1345564, 1712536, 2354737, 2691128, 4709474, 9418948, 18837896]

約数ペア:

[(1, 18837896), (2, 9418948), (4, 4709474), (7, 2691128), (8, 2354737), (11, 1712536), (14, 1345564), (22, 856268), (28, 672782), (44, 428134), (53, 355432), (56, 336391), (77, 244648), (88, 214067), (106, 177716), (154, 122324), (212, 88858), (308, 61162), (371, 50776), (424, 44429), (577, 32648), (583, 32312), (616, 30581), (742, 25388), (1154, 16324), (1166, 16156), (1484, 12694), (2308, 8162), (2332, 8078), (2968, 6347), (4039, 4664), (4081, 4616)]