18138604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{9587}}^1$

素因数の和:9645

約数の個数: 24

約数和(自身を含む): 35437248

約数和(自身を除く): 17298644

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 9587, 19174, 38348, 105457, 210914, 412241, 421828, 824482, 1648964, 4534651, 9069302, 18138604]

約数ペア:

[(1, 18138604), (2, 9069302), (4, 4534651), (11, 1648964), (22, 824482), (43, 421828), (44, 412241), (86, 210914), (172, 105457), (473, 38348), (946, 19174), (1892, 9587)]