18887409921

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{24917}}^1$

素因数の和:25193

約数の個数: 32

約数和(自身を含む): 27126731520

約数和(自身を除く): 8239321599

約数列:

[1, 3, 17, 51, 89, 167, 267, 501, 1513, 2839, 4539, 8517, 14863, 24917, 44589, 74751, 252671, 423589, 758013, 1270767, 2217613, 4161139, 6652839, 12483417, 37699421, 70739363, 113098263, 212218089, 370341371, 1111024113, 6295803307, 18887409921]

約数ペア:

[(1, 18887409921), (3, 6295803307), (17, 1111024113), (51, 370341371), (89, 212218089), (167, 113098263), (267, 70739363), (501, 37699421), (1513, 12483417), (2839, 6652839), (4539, 4161139), (8517, 2217613), (14863, 1270767), (24917, 758013), (44589, 423589), (74751, 252671)]