19909184

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{4643}}^1$

素因数の和:4722

約数の個数: 28

約数和(自身を含む): 40105584

約数和(自身を除く): 20196400

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 268, 536, 1072, 2144, 4288, 4643, 9286, 18572, 37144, 74288, 148576, 297152, 311081, 622162, 1244324, 2488648, 4977296, 9954592, 19909184]

約数ペア:

[(1, 19909184), (2, 9954592), (4, 4977296), (8, 2488648), (16, 1244324), (32, 622162), (64, 311081), (67, 297152), (134, 148576), (268, 74288), (536, 37144), (1072, 18572), (2144, 9286), (4288, 4643)]