19819312

素因数分解:

$2^4\times {\mathrm{461}}^1\times {\mathrm{2687}}^1$

素因数の和:3156

約数の個数: 20

約数和(自身を含む): 38497536

約数和(自身を除く): 18678224

約数列:

[1, 2, 4, 8, 16, 461, 922, 1844, 2687, 3688, 5374, 7376, 10748, 21496, 42992, 1238707, 2477414, 4954828, 9909656, 19819312]

約数ペア:

[(1, 19819312), (2, 9909656), (4, 4954828), (8, 2477414), (16, 1238707), (461, 42992), (922, 21496), (1844, 10748), (2687, 7376), (3688, 5374)]