18216918

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 41086656

約数和(自身を除く): 22869738

約数列:

[1, 2, 3, 6, 9, 18, 47, 61, 94, 122, 141, 183, 282, 353, 366, 423, 549, 706, 846, 1059, 1098, 2118, 2867, 3177, 5734, 6354, 8601, 16591, 17202, 21533, 25803, 33182, 43066, 49773, 51606, 64599, 99546, 129198, 149319, 193797, 298638, 387594, 1012051, 2024102, 3036153, 6072306, 9108459, 18216918]

約数ペア:

[(1, 18216918), (2, 9108459), (3, 6072306), (6, 3036153), (9, 2024102), (18, 1012051), (47, 387594), (61, 298638), (94, 193797), (122, 149319), (141, 129198), (183, 99546), (282, 64599), (353, 51606), (366, 49773), (423, 43066), (549, 33182), (706, 25803), (846, 21533), (1059, 17202), (1098, 16591), (2118, 8601), (2867, 6354), (3177, 5734)]