19664608

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{4421}}^1$

素因数の和:4570

約数の個数: 24

約数和(自身を含む): 39002040

約数和(自身を除く): 19337432

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 1112, 2224, 4421, 4448, 8842, 17684, 35368, 70736, 141472, 614519, 1229038, 2458076, 4916152, 9832304, 19664608]

約数ペア:

[(1, 19664608), (2, 9832304), (4, 4916152), (8, 2458076), (16, 1229038), (32, 614519), (139, 141472), (278, 70736), (556, 35368), (1112, 17684), (2224, 8842), (4421, 4448)]