19941187

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 25264224

約数和(自身を除く): 5323037

約数列:

[1, 7, 17, 37, 49, 119, 259, 629, 647, 833, 1813, 4403, 4529, 10999, 23939, 30821, 31703, 76993, 167573, 406963, 538951, 1173011, 2848741, 19941187]

約数ペア:

[(1, 19941187), (7, 2848741), (17, 1173011), (37, 538951), (49, 406963), (119, 167573), (259, 76993), (629, 31703), (647, 30821), (833, 23939), (1813, 10999), (4403, 4529)]