13378964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{439}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 24763200

約数和(自身を除く): 11384236

約数列:

[1, 2, 4, 19, 38, 76, 401, 439, 802, 878, 1604, 1756, 7619, 8341, 15238, 16682, 30476, 33364, 176039, 352078, 704156, 3344741, 6689482, 13378964]

約数ペア:

[(1, 13378964), (2, 6689482), (4, 3344741), (19, 704156), (38, 352078), (76, 176039), (401, 33364), (439, 30476), (802, 16682), (878, 15238), (1604, 8341), (1756, 7619)]