18905968

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{4903}}^1$

素因数の和:5152

約数の個数: 20

約数和(自身を含む): 36789808

約数和(自身を除く): 17883840

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 4903, 9806, 19612, 39224, 78448, 1181623, 2363246, 4726492, 9452984, 18905968]

約数ペア:

[(1, 18905968), (2, 9452984), (4, 4726492), (8, 2363246), (16, 1181623), (241, 78448), (482, 39224), (964, 19612), (1928, 9806), (3856, 4903)]