19965438

素因数分解:

$2^1\times 3^2\times {\mathrm{307}}^1\times {\mathrm{3613}}^1$

素因数の和:3928

約数の個数: 24

約数和(自身を含む): 43411368

約数和(自身を除く): 23445930

約数列:

[1, 2, 3, 6, 9, 18, 307, 614, 921, 1842, 2763, 3613, 5526, 7226, 10839, 21678, 32517, 65034, 1109191, 2218382, 3327573, 6655146, 9982719, 19965438]

約数ペア:

[(1, 19965438), (2, 9982719), (3, 6655146), (6, 3327573), (9, 2218382), (18, 1109191), (307, 65034), (614, 32517), (921, 21678), (1842, 10839), (2763, 7226), (3613, 5526)]