19816112

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{7159}}^1$

素因数の和:7340

約数の個数: 20

約数和(自身を含む): 38621040

約数和(自身を除く): 18804928

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 7159, 14318, 28636, 57272, 114544, 1238507, 2477014, 4954028, 9908056, 19816112]

約数ペア:

[(1, 19816112), (2, 9908056), (4, 4954028), (8, 2477014), (16, 1238507), (173, 114544), (346, 57272), (692, 28636), (1384, 14318), (2768, 7159)]