18974106

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{19889}}^1$

素因数の和:19950

約数の個数: 24

約数和(自身を含む): 41888340

約数和(自身を除く): 22914234

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 19889, 39778, 59667, 119334, 179001, 358002, 1054117, 2108234, 3162351, 6324702, 9487053, 18974106]

約数ペア:

[(1, 18974106), (2, 9487053), (3, 6324702), (6, 3162351), (9, 2108234), (18, 1054117), (53, 358002), (106, 179001), (159, 119334), (318, 59667), (477, 39778), (954, 19889)]