18713245985

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{174101}}^1$

素因数の和:174233

約数の個数: 32

約数和(自身を含む): 26675212032

約数和(自身を除く): 7961966047

約数列:

[1, 5, 7, 35, 37, 83, 185, 259, 415, 581, 1295, 2905, 3071, 15355, 21497, 107485, 174101, 870505, 1218707, 6093535, 6441737, 14450383, 32208685, 45092159, 72251915, 101152681, 225460795, 505763405, 534664171, 2673320855, 3742649197, 18713245985]

約数ペア:

[(1, 18713245985), (5, 3742649197), (7, 2673320855), (35, 534664171), (37, 505763405), (83, 225460795), (185, 101152681), (259, 72251915), (415, 45092159), (581, 32208685), (1295, 14450383), (2905, 6441737), (3071, 6093535), (15355, 1218707), (21497, 870505), (107485, 174101)]