619912316

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{20341}}^1$

素因数の和:20765

約数の個数: 24

約数和(自身を含む): 1144847760

約数和(自身を除く): 524935444

約数列:

[1, 2, 4, 19, 38, 76, 401, 802, 1604, 7619, 15238, 20341, 30476, 40682, 81364, 386479, 772958, 1545916, 8156741, 16313482, 32626964, 154978079, 309956158, 619912316]

約数ペア:

[(1, 619912316), (2, 309956158), (4, 154978079), (19, 32626964), (38, 16313482), (76, 8156741), (401, 1545916), (802, 772958), (1604, 386479), (7619, 81364), (15238, 40682), (20341, 30476)]