18516778

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:426

約数の個数: 32

約数和(自身を含む): 32845824

約数和(自身を除く): 14329046

約数列:

[1, 2, 7, 14, 47, 94, 107, 214, 263, 329, 526, 658, 749, 1498, 1841, 3682, 5029, 10058, 12361, 24722, 28141, 35203, 56282, 70406, 86527, 173054, 196987, 393974, 1322627, 2645254, 9258389, 18516778]

約数ペア:

[(1, 18516778), (2, 9258389), (7, 2645254), (14, 1322627), (47, 393974), (94, 196987), (107, 173054), (214, 86527), (263, 70406), (329, 56282), (526, 35203), (658, 28141), (749, 24722), (1498, 12361), (1841, 10058), (3682, 5029)]