18180712

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5039}}^1$

素因数の和:5097

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 19921688

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5039, 10078, 20156, 40312, 55429, 110858, 206599, 221716, 413198, 443432, 826396, 1652792, 2272589, 4545178, 9090356, 18180712]

約数ペア:

[(1, 18180712), (2, 9090356), (4, 4545178), (8, 2272589), (11, 1652792), (22, 826396), (41, 443432), (44, 413198), (82, 221716), (88, 206599), (164, 110858), (328, 55429), (451, 40312), (902, 20156), (1804, 10078), (3608, 5039)]