19019792

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2039}}^1$

素因数の和:2111

約数の個数: 40

約数和(自身を含む): 40979520

約数和(自身を除く): 21959728

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 2039, 2332, 4078, 4664, 8156, 9328, 16312, 22429, 32624, 44858, 89716, 108067, 179432, 216134, 358864, 432268, 864536, 1188737, 1729072, 2377474, 4754948, 9509896, 19019792]

約数ペア:

[(1, 19019792), (2, 9509896), (4, 4754948), (8, 2377474), (11, 1729072), (16, 1188737), (22, 864536), (44, 432268), (53, 358864), (88, 216134), (106, 179432), (176, 108067), (212, 89716), (424, 44858), (583, 32624), (848, 22429), (1166, 16312), (2039, 9328), (2332, 8156), (4078, 4664)]