19440804904

素因数分解:

$2^3\times {\mathrm{1249}}^1\times {\mathrm{1945637}}^1$

素因数の和:1946892

約数の個数: 16

約数和(自身を含む): 36480712500

約数和(自身を除く): 17039907596

約数列:

[1, 2, 4, 8, 1249, 2498, 4996, 9992, 1945637, 3891274, 7782548, 15565096, 2430100613, 4860201226, 9720402452, 19440804904]

約数ペア:

[(1, 19440804904), (2, 9720402452), (4, 4860201226), (8, 2430100613), (1249, 15565096), (2498, 7782548), (4996, 3891274), (9992, 1945637)]