19680928

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{14303}}^1$

素因数の和:14356

約数の個数: 24

約数和(自身を含む): 39650688

約数和(自身を除く): 19969760

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 14303, 28606, 57212, 114424, 228848, 457696, 615029, 1230058, 2460116, 4920232, 9840464, 19680928]

約数ペア:

[(1, 19680928), (2, 9840464), (4, 4920232), (8, 2460116), (16, 1230058), (32, 615029), (43, 457696), (86, 228848), (172, 114424), (344, 57212), (688, 28606), (1376, 14303)]