19857104

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8219}}^1$

素因数の和:8378

約数の個数: 20

約数和(自身を含む): 38732640

約数和(自身を除く): 18875536

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8219, 16438, 32876, 65752, 131504, 1241069, 2482138, 4964276, 9928552, 19857104]

約数ペア:

[(1, 19857104), (2, 9928552), (4, 4964276), (8, 2482138), (16, 1241069), (151, 131504), (302, 65752), (604, 32876), (1208, 16438), (2416, 8219)]