18513976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2657}}^1$

素因数の和:2743

約数の個数: 32

約数和(自身を含む): 37956240

約数和(自身を除く): 19442264

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 2657, 3484, 5314, 6968, 10628, 21256, 34541, 69082, 138164, 178019, 276328, 356038, 712076, 1424152, 2314247, 4628494, 9256988, 18513976]

約数ペア:

[(1, 18513976), (2, 9256988), (4, 4628494), (8, 2314247), (13, 1424152), (26, 712076), (52, 356038), (67, 276328), (104, 178019), (134, 138164), (268, 69082), (536, 34541), (871, 21256), (1742, 10628), (2657, 6968), (3484, 5314)]