19220558542

素因数分解:

$2^1\times {\mathrm{487}}^1\times {\mathrm{971}}^1\times {\mathrm{20323}}^1$

素因数の和:21783

約数の個数: 16

約数和(自身を含む): 28921214592

約数和(自身を除く): 9700656050

約数列:

[1, 2, 487, 971, 974, 1942, 20323, 40646, 472877, 945754, 9897301, 19733633, 19794602, 39467266, 9610279271, 19220558542]

約数ペア:

[(1, 19220558542), (2, 9610279271), (487, 39467266), (971, 19794602), (974, 19733633), (1942, 9897301), (20323, 945754), (40646, 472877)]