18741206

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1801}}^1$

素因数の和:1868

約数の個数: 24

約数和(自身を含む): 31635912

約数和(自身を除く): 12894706

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 1801, 3602, 5203, 10406, 19811, 39622, 77443, 154886, 217921, 435842, 851873, 1703746, 9370603, 18741206]

約数ペア:

[(1, 18741206), (2, 9370603), (11, 1703746), (22, 851873), (43, 435842), (86, 217921), (121, 154886), (242, 77443), (473, 39622), (946, 19811), (1801, 10406), (3602, 5203)]