17981834128

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{16774099}}^1$

素因数の和:16774174

約数の個数: 20

約数和(自身を含む): 35359802800

約数和(自身を除く): 17377968672

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 16774099, 33548198, 67096396, 134192792, 268385584, 1123864633, 2247729266, 4495458532, 8990917064, 17981834128]

約数ペア:

[(1, 17981834128), (2, 8990917064), (4, 4495458532), (8, 2247729266), (16, 1123864633), (67, 268385584), (134, 134192792), (268, 67096396), (536, 33548198), (1072, 16774099)]