18505016

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 37535400

約数和(自身を除く): 19030384

約数列:

[1, 2, 4, 8, 29, 31, 58, 62, 83, 116, 124, 166, 232, 248, 332, 664, 899, 961, 1798, 1922, 2407, 2573, 3596, 3844, 4814, 5146, 7192, 7688, 9628, 10292, 19256, 20584, 27869, 55738, 74617, 79763, 111476, 149234, 159526, 222952, 298468, 319052, 596936, 638104, 2313127, 4626254, 9252508, 18505016]

約数ペア:

[(1, 18505016), (2, 9252508), (4, 4626254), (8, 2313127), (29, 638104), (31, 596936), (58, 319052), (62, 298468), (83, 222952), (116, 159526), (124, 149234), (166, 111476), (232, 79763), (248, 74617), (332, 55738), (664, 27869), (899, 20584), (961, 19256), (1798, 10292), (1922, 9628), (2407, 7688), (2573, 7192), (3596, 5146), (3844, 4814)]