18894932

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 39325440

約数和(自身を除く): 20430508

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 109, 151, 164, 218, 287, 302, 436, 574, 604, 763, 1057, 1148, 1526, 2114, 3052, 4228, 4469, 6191, 8938, 12382, 16459, 17876, 24764, 31283, 32918, 43337, 62566, 65836, 86674, 115213, 125132, 173348, 230426, 460852, 674819, 1349638, 2699276, 4723733, 9447466, 18894932]

約数ペア:

[(1, 18894932), (2, 9447466), (4, 4723733), (7, 2699276), (14, 1349638), (28, 674819), (41, 460852), (82, 230426), (109, 173348), (151, 125132), (164, 115213), (218, 86674), (287, 65836), (302, 62566), (436, 43337), (574, 32918), (604, 31283), (763, 24764), (1057, 17876), (1148, 16459), (1526, 12382), (2114, 8938), (3052, 6191), (4228, 4469)]